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fs/exec.c: replace opencoded set_mask_bits()

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Link: http://lkml.kernel.org/r/[email protected]
Link: http://lkml.kernel.org/g/[email protected]
Signed-off-by: Vineet Gupta <[email protected]>
Reviewed-by: Anthony Yznaga <[email protected]>
Acked-by: Oleg Nesterov <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: Peter Zijlstra (Intel) <[email protected]>
Cc: Chris Wilson <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jani Nikula <[email protected]>
Cc: Miklos Szeredi <[email protected]>
Cc: Theodore Ts'o <[email protected]>
Cc: Will Deacon <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Vineet Gupta 2019-03-07 16:29:23 -08:00 • committed by Linus Torvalds
commit 26e152252e
1 changed files with 1 additions and 6 deletions
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7
fs/exec.c
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@ -1944,15 +1944,10 @@ EXPORT_SYMBOL(set_binfmt);
*/
void set_dumpable(struct mm_struct *mm, int value)
{
unsigned long old, new;
if (WARN_ON((unsigned)value > SUID_DUMP_ROOT))
return;
do {
old = READ_ONCE(mm->flags);
new = (old & ~MMF_DUMPABLE_MASK) | value;
} while (cmpxchg(&mm->flags, old, new) != old);
set_mask_bits(&mm->flags, MMF_DUMPABLE_MASK, value);
}
SYSCALL_DEFINE3(execve,