linux/arch/powerpc
David Howells d7627467b7 Make do_execve() take a const filename pointer
Make do_execve() take a const filename pointer so that kernel_execve() compiles
correctly on ARM:

arch/arm/kernel/sys_arm.c:88: warning: passing argument 1 of 'do_execve' discards qualifiers from pointer target type

This also requires the argv and envp arguments to be consted twice, once for
the pointer array and once for the strings the array points to.  This is
because do_execve() passes a pointer to the filename (now const) to
copy_strings_kernel().  A simpler alternative would be to cast the filename
pointer in do_execve() when it's passed to copy_strings_kernel().

do_execve() may not change any of the strings it is passed as part of the argv
or envp lists as they are some of them in .rodata, so marking these strings as
const should be fine.

Further kernel_execve() and sys_execve() need to be changed to match.

This has been test built on x86_64, frv, arm and mips.

Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-08-17 18:07:43 -07:00
..
boot dts: add ESDHC weird voltage bits workaround 2010-08-11 08:59:05 -07:00
configs powerpc: Trim defconfigs 2010-08-09 11:19:16 +10:00
include/asm archs: replace unifdef-y with header-y 2010-08-14 22:26:51 +02:00
kernel Make do_execve() take a const filename pointer 2010-08-17 18:07:43 -07:00
kvm Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2010-08-05 09:03:46 -07:00
lib Merge commit 'paulus-perf/master' into next 2010-07-09 11:25:48 +10:00
math-emu powerpc/math-emu: Fix efp dependence 2009-03-11 06:00:08 -05:00
mm kmap_atomic: make kunmap_atomic() harder to misuse 2010-08-09 20:44:54 -07:00
oprofile powerpc/oprofile: Don't build server oprofile drivers on 64-bit BookE 2010-07-14 14:13:54 +10:00
platforms Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6 2010-08-12 09:11:31 -07:00
sysdev Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6 2010-08-12 09:11:31 -07:00
xmon powerpc/book3e: Add TLB dump in xmon for Book3E 2010-07-14 14:13:52 +10:00
Kconfig Merge branch 'timers-timekeeping-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-08-06 13:18:29 -07:00
Kconfig.debug powerpc: Unconditionally enabled irq stacks 2010-06-15 15:02:37 +10:00
Makefile powerpc: fix build with make 3.82 2010-08-09 14:14:05 +10:00
relocs_check.pl powerpc: Check for unsupported relocs when using CONFIG_RELOCATABLE 2009-09-24 15:31:40 +10:00