leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

SCSI fixes on 20160218

Browse Source 
Two simple fixes.  One prevents a soft lockup on some target removal
 scenarios and the other prevents us trying to probe the marvell
 console device, which causes it to time out and need the bus
 resetting.
 
 Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2
 
 iQEcBAABAgAGBQJWxf9xAAoJEDeqqVYsXL0M9noIAL7F5d/zvbJPHS0gHErd+TX8
 vkdMbFmrXkrARy1ZChCv7Z/3NcdLPzMp/erB7Ed9uc9SrcMEVGYNw3zJUicJCrmN
 1WEvd+4iFhCpqjYtmKwxOTcuvZAgobJA8Is4Lnrx5KmY0YKUoFOpFPZBbWuY22mR
 QNZwxOL1O6uM8PihKsCJCzHJVB1RiicHL24DmFK4sOU85c7zStwuvKNv/3RPy+0c
 FtDz4Gc6NmmSrsC/DZHcf5q+ybSe4VSoqeKj5eSvuhxhpPpVku2sEgtxHBhm9cZ+
 nPMWQIlXxR4vSJ6oOq+IpezorlIF3NlJVKPtwg6CyNI3sOgFxUg3EN2YKRlp+KQ=
 =cX3U
 -----END PGP SIGNATURE-----

Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Two simple fixes.

  One prevents a soft lockup on some target removal scenarios and the
  other prevents us trying to probe the marvell console device, which
  causes it to time out and need the bus resetting"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: fix soft lockup in scsi_remove_target() on module removal
  SCSI: Add Marvell configuration device to VPD blacklist
This commit is contained in:
Linus Torvalds 2016-02-18 16:24:48 -08:00
commit dd8fc10e60
2 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/scsi/scsi_devinfo.c
View File

@ -206,6 +206,7 @@ static struct {
{"iRiver", "iFP Mass Driver", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
{"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN | BLIST_SINGLELUN},
{"Marvell", "Console", NULL, BLIST_SKIP_VPD_PAGES},
{"Marvell", "91xx Config", "1.01", BLIST_SKIP_VPD_PAGES},
{"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
{"MATSHITA", "DMC-LC5", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
{"MATSHITA", "DMC-LC40", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},

6
drivers/scsi/scsi_sysfs.c
View File

@ -1272,16 +1272,18 @@ static void __scsi_remove_target(struct scsi_target *starget)
void scsi_remove_target(struct device *dev)
{
struct Scsi_Host *shost = dev_to_shost(dev->parent);
struct scsi_target *starget;
struct scsi_target *starget, *last_target = NULL;
unsigned long flags;
restart:
spin_lock_irqsave(shost->host_lock, flags);
list_for_each_entry(starget, &shost->__targets, siblings) {
if (starget->state == STARGET_DEL)
if (starget->state == STARGET_DEL ||
starget == last_target)
continue;
if (starget->dev.parent == dev || &starget->dev == dev) {
kref_get(&starget->reap_ref);
last_target = starget;
spin_unlock_irqrestore(shost->host_lock, flags);
__scsi_remove_target(starget);
scsi_target_reap(starget);