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[ARM] 3108/2: old ABI compat: statfs64 and fstatfs64

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Patch from Nicolas Pitre

struct statfs64 has extra padding with EABI growing its size from 84 to
88. This struct is now __attribute__((packed,aligned(4))) with a small
assembly wrapper to force the sz argument to 84 if it is 88 to avoid
copying the extra padding over user space memory unexpecting it.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Nicolas Pitre
2006-01-14 16:35:03 +00:00
committed by Russell King
parent 704bdda038
commit 713c481519
3 changed files with 49 additions and 3 deletions
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4
arch/arm/kernel/calls.S
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@@ -280,8 +280,8 @@ __syscall_start:
.long sys_clock_gettime
.long sys_clock_getres
/* 265 */ .long sys_clock_nanosleep
.long sys_statfs64
.long sys_fstatfs64
.long sys_statfs64_wrapper
.long sys_fstatfs64_wrapper
.long sys_tgkill
.long sys_utimes
/* 270 */ .long sys_arm_fadvise64_64