diff options
| author | Vineet Gupta <[email protected]> | 2019-03-07 16:29:23 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2019-03-07 18:32:01 -0800 |
| commit | 26e152252e92999b975fe935c666a090c46905f7 (patch) | |
| tree | f44d3ee0263e5a82c1f3db147ae66a4a28bdeb51 | |
| parent | 67ceb1eca0acc045c9ef170a05f58fd710063967 (diff) | |
fs/exec.c: replace opencoded set_mask_bits()
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]>
| -rw-r--r-- | fs/exec.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/exec.c b/fs/exec.c index 74f3672146a7..bf0ace3841ad 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -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, |