Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Cc: linux-fsdevel@xxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx Link: http://lkml.kernel.org/g/20150807115710.GA16897@xxxxxxxxxx Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx> Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx> --- fs/exec.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/fs/exec.c b/fs/exec.c index fb72d36f7823..df7f05362283 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, -- 2.7.4 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-snps-arc
