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MIPS: Compat: Zero upper 32-bit of offset_high and offset_low. 

Through sys_llseek() arguably should do exactly that it doesn't which
means llseek(2) will fail for o32 processes if offset_low has bit 31 set.

As suggested by Heiko Carstens.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2009-03-28 01:36:09 +01:00
parent 0e6826c73c
commit d6c178e969
1 changed files with 3 additions and 3 deletions
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6
arch/mips/kernel/linux32.c
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@ -133,9 +133,9 @@ SYSCALL_DEFINE4(32_ftruncate64, unsigned long, fd, unsigned long, __dummy,
return sys_ftruncate(fd, merge_64(a2, a3));
}
SYSCALL_DEFINE5(32_llseek, unsigned long, fd, unsigned long, offset_high,
unsigned long, offset_low, loff_t __user *, result,
unsigned long, origin)
SYSCALL_DEFINE5(32_llseek, unsigned int, fd, unsigned int, offset_high,
unsigned int, offset_low, loff_t __user *, result,
unsigned int, origin)
{
return sys_llseek(fd, offset_high, offset_low, result, origin);
}