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Merge tag 'llvmlinux-for-v3.15' of git://git.linuxfoundation.org/llvmlinux/kernel
Pull llvm patches from Behan Webster:
"These are some initial updates to support compiling the kernel with
clang.
These patches have been through the proper reviews to the best of my
ability, and have been soaking in linux-next for a few weeks. These
patches by themselves still do not completely allow clang to be used
with the kernel code, but lay the foundation for other patches which
are still under review.
Several other of the LLVMLinux patches have been already added via
maintainer trees"
* tag 'llvmlinux-for-v3.15' of git://git.linuxfoundation.org/llvmlinux/kernel:
x86: LLVMLinux: Fix "incomplete type const struct x86cpu_device_id"
x86 kbuild: LLVMLinux: More cc-options added for clang
x86, acpi: LLVMLinux: Remove nested functions from Thinkpad ACPI
LLVMLinux: Add support for clang to compiler.h and new compiler-clang.h
LLVMLinux: Remove warning about returning an uninitialized variable
kbuild: LLVMLinux: Fix LINUX_COMPILER definition script for compilation with clang
Documentation: LLVMLinux: Update Documentation/dontdiff
kbuild: LLVMLinux: Adapt warnings for compilation with clang
kbuild: LLVMLinux: Add Kbuild support for building kernel with Clang
Pull SCSI target updates from Nicholas Bellinger:
"Here are the target pending updates for v3.15-rc1. Apologies in
advance for waiting until the second to last day of the merge window
to send these out.
The highlights this round include:
- iser-target support for T10 PI (DIF) offloads (Sagi + Or)
- Fix Task Aborted Status (TAS) handling in target-core (Alex Leung)
- Pass in transport supported PI at session initialization (Sagi + MKP + nab)
- Add WRITE_INSERT + READ_STRIP T10 PI support in target-core (nab + Sagi)
- Fix iscsi-target ERL=2 ASYNC_EVENT connection pointer bug (nab)
- Fix tcm_fc use-after-free of ft_tpg (Andy Grover)
- Use correct ib_sg_dma primitives in ib_isert (Mike Marciniszyn)
Also, note the virtio-scsi + vhost-scsi changes to expose T10 PI
metadata into KVM guest have been left-out for now, as there where a
few comments from MST + Paolo that where not able to be addressed in
time for v3.15. Please expect this feature for v3.16-rc1"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (43 commits)
ib_srpt: Use correct ib_sg_dma primitives
target/tcm_fc: Rename ft_tport_create to ft_tport_get
target/tcm_fc: Rename ft_{add,del}_lport to {add,del}_wwn
target/tcm_fc: Rename structs and list members for clarity
target/tcm_fc: Limit to 1 TPG per wwn
target/tcm_fc: Don't export ft_lport_list
target/tcm_fc: Fix use-after-free of ft_tpg
target: Add check to prevent Abort Task from aborting itself
target: Enable READ_STRIP emulation in target_complete_ok_work
target/sbc: Add sbc_dif_read_strip software emulation
target: Enable WRITE_INSERT emulation in target_execute_cmd
target/sbc: Add sbc_dif_generate software emulation
target/sbc: Only expose PI read_cap16 bits when supported by fabric
target/spc: Only expose PI mode page bits when supported by fabric
target/spc: Only expose PI inquiry bits when supported by fabric
target: Pass in transport supported PI at session initialization
target/iblock: Fix double bioset_integrity_free bug
Target/sbc: Initialize COMPARE_AND_WRITE write_sg scatterlist
target/rd: T10-Dif: RAM disk is allocating more space than required.
iscsi-target: Fix ERL=2 ASYNC_EVENT connection pointer bug
...
Pull media fixes from Mauro Carvalho Chehab:
"A series of bug fix patches for v3.15-rc1. Most are just driver
fixes. There are some changes at remote controller core level, fixing
some definitions on a new API added for Kernel v3.15.
It also adds the missing include at include/uapi/linux/v4l2-common.h,
to allow its compilation on userspace, as pointed by you"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (24 commits)
[media] gpsca: remove the risk of a division by zero
[media] stk1160: warrant a NUL terminated string
[media] v4l: ti-vpe: retain v4l2_buffer flags for captured buffers
[media] v4l: ti-vpe: Set correct field parameter for output and capture buffers
[media] v4l: ti-vpe: zero out reserved fields in try_fmt
[media] v4l: ti-vpe: Fix initial configuration queue data
[media] v4l: ti-vpe: Use correct bus_info name for the device in querycap
[media] v4l: ti-vpe: report correct capabilities in querycap
[media] v4l: ti-vpe: Allow usage of smaller images
[media] v4l: ti-vpe: Use video_device_release_empty
[media] v4l: ti-vpe: Make sure in job_ready that we have the needed number of dst_bufs
[media] lgdt3305: include sleep functionality in lgdt3304_ops
[media] drx-j: use customise option correctly
[media] m88rs2000: fix sparse static warnings
[media] r820t: fix size and init values
[media] rc-core: remove generic scancode filter
[media] rc-core: split dev->s_filter
[media] rc-core: do not change 32bit NEC scancode format for now
[media] rtl28xxu: remove duplicate ID 0458:707f Genius TVGo DVB-T03
[media] xc2028: add missing break to switch
...
ntb_netdev, a typo, and a leak of msix entries in the error path.
Clean ups of the event handling logic, as well as a overall style
cleanup. Finally, the driver was converted to use the new
pci_enable_msix_range logic (and the refactoring to go along with it).
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Merge tag 'ntb-3.15' of git://github.com/jonmason/ntb
Pull PCIe non-transparent bridge fixes and features from Jon Mason:
"NTB driver bug fixes to address issues in list traversal, skb leak in
ntb_netdev, a typo, and a leak of msix entries in the error path.
Clean ups of the event handling logic, as well as a overall style
cleanup. Finally, the driver was converted to use the new
pci_enable_msix_range logic (and the refactoring to go along with it)"
* tag 'ntb-3.15' of git://github.com/jonmason/ntb:
ntb: Use pci_enable_msix_range() instead of pci_enable_msix()
ntb: Split ntb_setup_msix() into separate BWD/SNB routines
ntb: Use pci_msix_vec_count() to obtain number of MSI-Xs
NTB: Code Style Clean-up
NTB: client event cleanup
ntb: Fix leakage of ntb_device::msix_entries[] array
NTB: Fix typo in setting one translation register
ntb_netdev: Fix skb free issue in open
ntb_netdev: Fix list_for_each_entry exit issue
The vfs merge caused a latent bug to show up:
In file included from fs/ceph/super.h:4:0,
from fs/ceph/ioctl.c:3:
include/linux/ceph/ceph_debug.h:4:0: warning: "pr_fmt" redefined [enabled by default]
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^
In file included from include/linux/kernel.h:13:0,
from include/linux/uio.h:12,
from include/linux/socket.h:7,
from include/uapi/linux/in.h:22,
from include/linux/in.h:23,
from fs/ceph/ioctl.c:1:
include/linux/printk.h:214:0: note: this is the location of the previous definition
#define pr_fmt(fmt) fmt
^
where the reason is that <linux/ceph_debug.h> is included much too late
for the "pr_fmt()" define.
The include of <linux/ceph_debug.h> needs to be the first include in the
file, but fs/ceph/ioctl.c had for some reason missed that, and it wasn't
noticeable until some unrelated header file changes brought in an
indirect earlier include of <linux/kernel.h>.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull vfs updates from Al Viro:
"The first vfs pile, with deep apologies for being very late in this
window.
Assorted cleanups and fixes, plus a large preparatory part of iov_iter
work. There's a lot more of that, but it'll probably go into the next
merge window - it *does* shape up nicely, removes a lot of
boilerplate, gets rid of locking inconsistencie between aio_write and
splice_write and I hope to get Kent's direct-io rewrite merged into
the same queue, but some of the stuff after this point is having
(mostly trivial) conflicts with the things already merged into
mainline and with some I want more testing.
This one passes LTP and xfstests without regressions, in addition to
usual beating. BTW, readahead02 in ltp syscalls testsuite has started
giving failures since "mm/readahead.c: fix readahead failure for
memoryless NUMA nodes and limit readahead pages" - might be a false
positive, might be a real regression..."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
missing bits of "splice: fix racy pipe->buffers uses"
cifs: fix the race in cifs_writev()
ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure
kill generic_file_buffered_write()
ocfs2_file_aio_write(): switch to generic_perform_write()
ceph_aio_write(): switch to generic_perform_write()
xfs_file_buffered_aio_write(): switch to generic_perform_write()
export generic_perform_write(), start getting rid of generic_file_buffer_write()
generic_file_direct_write(): get rid of ppos argument
btrfs_file_aio_write(): get rid of ppos
kill the 5th argument of generic_file_buffered_write()
kill the 4th argument of __generic_file_aio_write()
lustre: don't open-code kernel_recvmsg()
ocfs2: don't open-code kernel_recvmsg()
drbd: don't open-code kernel_recvmsg()
constify blk_rq_map_user_iov() and friends
lustre: switch to kernel_sendmsg()
ocfs2: don't open-code kernel_sendmsg()
take iov_iter stuff to mm/iov_iter.c
process_vm_access: tidy up a bit
...
Nicolas Dichtel says:
====================
tunnels: don't allow to add the same tunnel twice
This series fixes the check of an existing tunnel with the same
parameters when a new tunnel is added. I've checked all users of
ip_tunnel_newlink(): gre, gretap, ipip and vti. The bug exists only
for gre and vti.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Before the patch, it was possible to add two times the same tunnel:
ip l a vti1 type vti remote 10.16.0.121 local 10.16.0.249 key 41
ip l a vti2 type vti remote 10.16.0.121 local 10.16.0.249 key 41
It was possible, because ip_tunnel_newlink() calls ip_tunnel_find() with the
argument dev->type, which was set only later (when calling ndo_init handler
in register_netdevice()). Let's set this type in the setup handler, which is
called before newlink handler.
Introduced by commit b9959fd3b0 ("vti: switch to new ip tunnel code").
CC: Cong Wang <amwang@redhat.com>
CC: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before the patch, it was possible to add two times the same tunnel:
ip l a gre1 type gre remote 10.16.0.121 local 10.16.0.249
ip l a gre2 type gre remote 10.16.0.121 local 10.16.0.249
It was possible, because ip_tunnel_newlink() calls ip_tunnel_find() with the
argument dev->type, which was set only later (when calling ndo_init handler
in register_netdevice()). Let's set this type in the setup handler, which is
called before newlink handler.
Introduced by commit c544193214 ("GRE: Refactor GRE tunneling code.").
CC: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the initialization of an array used in the TX
datapath that was mistakenly initialized together with the
RX datapath arrays. An out of range array access could happen
when RX and TX rings had different sizes.
Signed-off-by: Vincenzo Maffione <v.maffione@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates
This series contains updates to e1000, e1000e, igb, igbvf, ixgb, ixgbe,
ixgbevf and i40evf.
Mark fixes an issue with ixgbe and ixgbevf by adding a bit to indicate
when workqueues have been initialized. This permits the register read
error handling from attempting to use them prior to that, which also
generates warnings. Checking for a detected removal after initializing
the work queues allows the probe function to return an error without
getting the workqueue involved. Further, if the error_detected
callback is entered before the workqueues are initialized, exit without
recovery since the device initialization was so truncated.
Francois Romieu provides several patches to all the drivers to remove
the open coded skb_cow_head.
Jakub Kicinski provides a fix for igb where last_rx_timestamp should be
updated only when Rx time stamp is read.
Mitch provides a fix for i40evf where a recent change broke the RSS LUT
programming causing it to be programmed with all 0's.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
design of tracepoints and how a user could register a tracepoint
and have that tracepoint not be activated but no error was shown.
The design was for an out of tree module but broke in tree users.
The clean up was to remove the saving of the hash table of tracepoint
names such that they can be enabled before they exist (enabling
a module tracepoint before that module is loaded). This added more
complexity than needed. The clean up was to remove that code and
just enable tracepoints that exist or fail if they do not.
This removed a lot of code as well as the complexity that it brought.
As a side effect, instead of registering a tracepoint by its name,
the tracepoint needs to be registered with the tracepoint descriptor.
This removes having to duplicate the tracepoint names that are
enabled.
The second patch was added that simplified the way modules were
searched for.
This cleanup required changes that were in the 3.15 queue as well as
some changes that were added late in the 3.14-rc cycle. This final
change waited till the two were merged in upstream and then the
change was added and full tests were run. Unfortunately, the
test found some errors, but after it was already submitted to the
for-next branch and not to be rebased. Sparse errors were detected
by Fengguang Wu's bot tests, and my internal tests discovered that
the anonymous union initialization triggered a bug in older gcc compilers.
Luckily, there was a bugzilla for the gcc bug which gave a work around
to the problem. The third and fourth patch handled the sparse error
and the gcc bug respectively.
A final patch was tagged along to fix a missing documentation for
the README file.
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Merge tag 'trace-3.15-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull more tracing updates from Steven Rostedt:
"This includes the final patch to clean up and fix the issue with the
design of tracepoints and how a user could register a tracepoint and
have that tracepoint not be activated but no error was shown.
The design was for an out of tree module but broke in tree users. The
clean up was to remove the saving of the hash table of tracepoint
names such that they can be enabled before they exist (enabling a
module tracepoint before that module is loaded). This added more
complexity than needed. The clean up was to remove that code and just
enable tracepoints that exist or fail if they do not.
This removed a lot of code as well as the complexity that it brought.
As a side effect, instead of registering a tracepoint by its name, the
tracepoint needs to be registered with the tracepoint descriptor.
This removes having to duplicate the tracepoint names that are
enabled.
The second patch was added that simplified the way modules were
searched for.
This cleanup required changes that were in the 3.15 queue as well as
some changes that were added late in the 3.14-rc cycle. This final
change waited till the two were merged in upstream and then the change
was added and full tests were run. Unfortunately, the test found some
errors, but after it was already submitted to the for-next branch and
not to be rebased. Sparse errors were detected by Fengguang Wu's bot
tests, and my internal tests discovered that the anonymous union
initialization triggered a bug in older gcc compilers. Luckily, there
was a bugzilla for the gcc bug which gave a work around to the
problem. The third and fourth patch handled the sparse error and the
gcc bug respectively.
A final patch was tagged along to fix a missing documentation for the
README file"
* tag 'trace-3.15-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Add missing function triggers dump and cpudump to README
tracing: Fix anonymous unions in struct ftrace_event_call
tracepoint: Fix sparse warnings in tracepoint.c
tracepoint: Simplify tracepoint module search
tracepoint: Use struct pointer instead of name hash for reg/unreg tracepoints
Pull audit updates from Eric Paris.
* git://git.infradead.org/users/eparis/audit: (28 commits)
AUDIT: make audit_is_compat depend on CONFIG_AUDIT_COMPAT_GENERIC
audit: renumber AUDIT_FEATURE_CHANGE into the 1300 range
audit: do not cast audit_rule_data pointers pointlesly
AUDIT: Allow login in non-init namespaces
audit: define audit_is_compat in kernel internal header
kernel: Use RCU_INIT_POINTER(x, NULL) in audit.c
sched: declare pid_alive as inline
audit: use uapi/linux/audit.h for AUDIT_ARCH declarations
syscall_get_arch: remove useless function arguments
audit: remove stray newline from audit_log_execve_info() audit_panic() call
audit: remove stray newlines from audit_log_lost messages
audit: include subject in login records
audit: remove superfluous new- prefix in AUDIT_LOGIN messages
audit: allow user processes to log from another PID namespace
audit: anchor all pid references in the initial pid namespace
audit: convert PPIDs to the inital PID namespace.
pid: get pid_t ppid of task in init_pid_ns
audit: rename the misleading audit_get_context() to audit_take_context()
audit: Add generic compat syscall support
audit: Add CONFIG_HAVE_ARCH_AUDITSYSCALL
...
that commit has fixed only the parts of that mess in fs/splice.c itself;
there had been more in several other ->splice_read() instances...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
O_APPEND handling there hadn't been completely fixed by Pavel's
patch; it checks the right value, but it's racy - we can't really
do that until i_mutex has been taken.
Fix by switching to __generic_file_aio_write() (open-coding
generic_file_aio_write(), actually) and pulling mutex_lock() above
inode_size_read().
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Similarly to commit 43279500de ("packet: respect devices with
LLTX flag in direct xmit"), we can basically apply the very same
to pktgen. This will help testing against LLTX devices such as
dummy driver (or others), which only have a single netdevice txq
and would otherwise require locking their txq from pktgen side
while e.g. in dummy case, we would not need any locking. Fix this
by making use of HARD_TX_{UN,}LOCK API, so that NETIF_F_LLTX will
be respected.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the device is unplugged, the driver would try to disable the
device. Add checking the flag of RTL8152_UNPLUG to skip setting
the device when it is unplugged. This could shorten the time of
unloading the driver.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The sun4i-emac driver is rather primitive, and doesn't support
promiscuous mode. This makes usage such as bridging impossible,
which is a shame on virtualization capable HW such as the
Allwinner A20.
The fix is fairly simple: move the RX setup code to the ndo_set_rx_mode
vector, and add the required HW configuration when IFF_PROMISC is passed
by the core code.
This has been tested on a generic A20 box running a few virtual
machines hanging off a bridge with the EMAC chip as the link to the
outside world.
Cc: Stefan Roese <sr@denx.de>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes coccinelle error regarding usage of IS_ERR and
PTR_ERR instead of PTR_ERR_OR_ZERO.
Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In v3.2 the Analog Devices ADT75 temperature sensor driver was removed
as an IIO driver and support for it was added to the LM75 HWMON driver.
But it was apparently overlooked to rename one reference to CONFIG_ADT75
to CONFIG_SENSORS_LM75. Do so now. Use the IS_ENABLED() macro, while
we're at it.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
In v3.2 the Analog Devices AD7314 temperature sensor driver was removed
as an IIO driver and added as a HWMON driver. But it was apparently
overlooked to rename two references to CONFIG_AD7314 to
CONFIG_SENSORS_AD7314. Do so now. Use the IS_ENABLED() macro, while
we're at it.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
In v3.2 the Analog Devices ad2s1200/ad2s1205 driver was renamed from
ad2s120x to ad2s1200. But it apparently forgot to rename the references
to this driver in the BF537-STAMP code. Rename these now, and use the
IS_ENABLED() macro, while we're at it.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
There's a (rather subtle) typo in "CONFIG_SND_SOC_ADV80X_MODULE". Fix it
once and for all by using IS_ENABLED(), which is designed to avoid
issues like this.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
drop unused head file
change pinmux request/free macro for backward compatiblity
add function declaration
Signed-off-by: Steven Miao <realmz6@gmail.com>
Pull async SCSI resume support from Dan Williams:
"Allow disks and other devices to resume in parallel.
This provides a tangible speed up for a non-esoteric use case (laptop
resume):
https://01.org/suspendresume/blogs/tebrandt/2013/hard-disk-resume-optimization-simpler-approach"
* 'async-scsi-resume' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/isci:
scsi: async sd resume
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Merge tag 'md/3.15' of git://neil.brown.name/md
Pull md updates from Neil Brown:
"Just a few md patches for the 3.15 merge window.
Not much happening in md/raid at the moment. Just a few bug fixes
(one for -stable) and a couple of performance tweaks"
* tag 'md/3.15' of git://neil.brown.name/md:
raid5: get_active_stripe avoids device_lock
raid5: make_request does less prepare wait
md: avoid oops on unload if some process is in poll or select.
md/raid1: r1buf_pool_alloc: free allocate pages when subsequent allocation fails.
md/bitmap: don't abuse i_writecount for bitmap files.
Pull NVMe driver updates from Matthew Wilcox:
"Various updates to the NVMe driver. The most user-visible change is
that drive hotplugging now works and CPU hotplug while an NVMe drive
is installed should also work better"
* git://git.infradead.org/users/willy/linux-nvme:
NVMe: Retry failed commands with non-fatal errors
NVMe: Add getgeo to block ops
NVMe: Start-stop nvme_thread during device add-remove.
NVMe: Make I/O timeout a module parameter
NVMe: CPU hot plug notification
NVMe: per-cpu io queues
NVMe: Replace DEFINE_PCI_DEVICE_TABLE
NVMe: Fix divide-by-zero in nvme_trans_io_get_num_cmds
NVMe: IOCTL path RCU protect queue access
NVMe: RCU protected access to io queues
NVMe: Initialize device reference count earlier
NVMe: Add CONFIG_PM_SLEEP to suspend/resume functions
Pull aio ctx->ring_pages migration serialization fix from Ben LaHaise.
* git://git.kvack.org/~bcrl/aio-next:
aio: v4 ensure access to ctx->ring_pages is correctly serialised for migration
The code was incorrectly using sg_dma_address() and
sg_dma_len() instead of ib_sg_dma_address() and
ib_sg_dma_len().
This prevents srpt from functioning with the
Intel HCA and indeed will corrupt memory
badly.
Cc: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Tested-by: Vinod Kumar <vinod.kumar@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: stable@vger.kernel.org # 3.3+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Because it doesn't always create, if there's an existing one it just
returns it.
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
These functions are not adding or deleting an lport. They are adding a
wwn that may match with an lport that is present on the system.
Renaming ft_del_lport also means we won't have functions named
both ft_del_lport and ft_lport_del any more.
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Rename struct ft_lport_acl to ft_lport_wwn. "acl" is associated with
something different in LIO terms. Really, ft_lport_wwn is the
fabric-specific wrapper for the struct se_wwn.
Rename "lacl" local variables to "ft_wwn" as well.
Rename list_heads used as list members to make it clear they're nodes, not
heads.
Rename lport_node to ft_wwn_node.
Rename ft_lport_list to ft_wwn_list
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
tcm_fc doesn't support multiple TPGs per wwn. For proof, see
ft_lport_find_tpg. Enforce this in the code.
Replace ft_lport_wwn.tpg_list with a single pointer. We can't fold ft_tpg
into ft_lport_wwn because they can have different lifetimes.
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
ft_del_tpg checks tpg->tport is set before unlinking the tpg from the
tport when the tpg is being removed. Set this pointer in ft_tport_create,
or the unlinking won't happen in ft_del_tpg and tport->tpg will reference
a deleted object.
This patch sets tpg->tport in ft_tport_create, because that's what
ft_del_tpg checks, and is the only way to get back to the tport to
clear tport->tpg.
The bug was occuring when:
- lport created, tport (our per-lport, per-provider context) is
allocated.
tport->tpg = NULL
- tpg created
- a PRLI is received. ft_tport_create is called, tpg is found and
tport->tpg is set
- tpg removed. ft_tpg is freed in ft_del_tpg. Since tpg->tport was not
set, tport->tpg is not cleared and points at freed memory
- Future calls to ft_tport_create return tport via first conditional,
instead of searching for new tpg by calling ft_lport_find_tpg.
tport->tpg is still invalid, and will access freed memory.
see https://bugzilla.redhat.com/show_bug.cgi?id=1071340
Cc: stable@vger.kernel.org # 3.0+
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This patch addresses an issue that occurs when an ABTS is received
for an se_cmd that completes just before the sess_cmd_list is searched
in core_tmr_abort_task(). When the sess_cmd_list is searched, since
the ABTS and the FCP_CMND being aborted (that just completed) both
have the same OXID, TFO->get_task_tag(TMR) returns a value that
matches tmr->ref_task_tag (from TFO->get_task_tag(FCP_CMND)), and
the Abort Task tries to abort itself. When this occurs,
transport_wait_for_tasks() hangs forever since the TMR is waiting
for itself to finish.
This patch adds a check to core_tmr_abort_task() to make sure the
TMR does not attempt to abort itself.
Signed-off-by: Alex Leung <alex.leung@emulex.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Pull second set of btrfs updates from Chris Mason:
"The most important changes here are from Josef, fixing a btrfs
regression in 3.14 that can cause corruptions in the extent allocation
tree when snapshots are in use.
Josef also fixed some deadlocks in send/recv and other assorted races
when balance is running"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (23 commits)
Btrfs: fix compile warnings on on avr32 platform
btrfs: allow mounting btrfs subvolumes with different ro/rw options
btrfs: export global block reserve size as space_info
btrfs: fix crash in remount(thread_pool=) case
Btrfs: abort the transaction when we don't find our extent ref
Btrfs: fix EINVAL checks in btrfs_clone
Btrfs: fix unlock in __start_delalloc_inodes()
Btrfs: scrub raid56 stripes in the right way
Btrfs: don't compress for a small write
Btrfs: more efficient io tree navigation on wait_extent_bit
Btrfs: send, build path string only once in send_hole
btrfs: filter invalid arg for btrfs resize
Btrfs: send, fix data corruption due to incorrect hole detection
Btrfs: kmalloc() doesn't return an ERR_PTR
Btrfs: fix snapshot vs nocow writting
btrfs: Change the expanding write sequence to fix snapshot related bug.
btrfs: make device scan less noisy
btrfs: fix lockdep warning with reclaim lock inversion
Btrfs: hold the commit_root_sem when getting the commit root during send
Btrfs: remove transaction from send
...
particularly with a focus on RDMA.
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Merge tag 'for-linus-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
Pull 9p changes from Eric Van Hensbergen:
"A bunch of updates and cleanup within the transport layer,
particularly with a focus on RDMA"
* tag 'for-linus-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
9pnet_rdma: check token type before int conversion
9pnet: trans_fd : allocate struct p9_trans_fd and struct p9_conn together.
9pnet: p9_client->conn field is unused. Remove it.
9P: Get rid of REQ_STATUS_FLSH
9pnet_rdma: add cancelled()
9pnet_rdma: update request status during send
9P: Add cancelled() to the transport functions.
net: Mark function as static in 9p/client.c
9P: Add memory barriers to protect request fields over cb/rpc threads handoff
net-next commit 9c76a11, ipv6: tcp_ipv6 policy route issue, had
a boolean logic error that caused incorrect behaviour for TCP
SYN+ACK when oif-based rules are in use. Specifically:
1. If a SYN comes in from a global address, and sk_bound_dev_if
is not set, the routing lookup has oif set to the interface
the SYN came in on. Instead, it should have oif unset,
because for global addresses, the incoming interface doesn't
necessarily have any bearing on the interface the SYN+ACK is
sent out on.
2. If a SYN comes in from a link-local address, and
sk_bound_dev_if is set, the routing lookup has oif set to the
interface the SYN came in on. Instead, it should have oif set
to sk_bound_dev_if, because that's what the application
requested.
Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
A few driver specific fixes, the main one being the fix for handling of
complete callbacks that are open coded in individual drivers to allow
callers to omit the completion. As we move things into the core that
sort of issue should become less and less common.
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Merge tag 'spi-v3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few driver specific fixes, the main one being the fix for handling
of complete callbacks that are open coded in individual drivers to
allow callers to omit the completion. As we move things into the core
that sort of issue should become less and less common"
* tag 'spi-v3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: qup: Depend on ARCH_QCOM
spi: efm32: Update binding document to make "efm32,location" property optional
spi: omap2-mcspi: Convert to use devm_kcalloc
spi: Always check complete callback before calling it
John W. Linville says:
====================
Please pull this batch of fixes intended for the 3.15 stream!
Chun-Yeow Yeoh gives us an ath9k_htc fix so that mac80211 can report
last_tx_rate correctly for those devices..
Fariya Fatima has a number of small fixes for things identified by
the static analysis folks in the new rsi driver.
Felix Fietkau brings an ath9k fix to better support some older chips,
and a fix for a scheduling while atomic bug introduced by an earlier
patch.
Janusz Dziedzic produced an ath9k fix to only enable DFS when a
related build option is selected.
Paul Bolle removes some dead code in rtlwifi.
Rafał Miłecki fixes some b43 code that was accessing some registers
with operations for the wrong register width.
Please let me know if there are problems!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
A few driver specific fixes that have come in over the merge window,
all only relevant for the specific driver.
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Merge tag 'regulator-v3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A few driver specific fixes that have come in over the merge window,
all only relevant for the specific driver"
* tag 'regulator-v3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: bcm590xx: Set n_voltages for linear reg
regulator: s5m8767: Fix carried over ena_gpio assignment
regulator: s2mps11: Don't check enable_shift before setting enable ramp rate
regulator: s2mpa01: Don't check enable_shift before setting enable ramp rate
Mugunthan V N says:
====================
This patch series fixes the cpsw issue with interface up/dpwn with high
ethernet traffic.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
