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| author | Vineet Gupta <vineet.gupta1@synopsys.com> | 2019-03-07 16:29:23 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-07 18:32:01 -0800 |
| commit | 26e152252e92999b975fe935c666a090c46905f7 (patch) | |
| tree | f44d3ee0263e5a82c1f3db147ae66a4a28bdeb51 /fs/exec.c | |
| parent | 67ceb1eca0acc045c9ef170a05f58fd710063967 (diff) | |
| download | lwn-26e152252e92999b975fe935c666a090c46905f7.tar.gz lwn-26e152252e92999b975fe935c666a090c46905f7.zip | |
fs/exec.c: replace opencoded set_mask_bits()
Link: http://lkml.kernel.org/r/1548275584-18096-2-git-send-email-vgupta@synopsys.com
Link: http://lkml.kernel.org/g/20150807115710.GA16897@redhat.com
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Reviewed-by: Anthony Yznaga <anthony.yznaga@oracle.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/exec.c')
| -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, |