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authorUlrich Drepper <drepper@redhat.com>2008-07-23 21:29:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 10:47:29 -0700
commite38b36f325153eaadd1c2a7abc5762079233e540 (patch)
tree92cfc9855e41c5328d91456f5e373c00ecb8d383 /fs/eventpoll.c
parent510df2dd482496083e1c3b1a8c9b6afd5fa4c7d7 (diff)
flag parameters: check magic constants
This patch adds test that ensure the boundary conditions for the various constants introduced in the previous patches is met. No code is generated. [akpm@linux-foundation.org: fix alpha] Signed-off-by: Ulrich Drepper <drepper@redhat.com> Acked-by: Davide Libenzi <davidel@xmailserver.org> Cc: Michael Kerrisk <mtk.manpages@googlemail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/eventpoll.c')
-rw-r--r--fs/eventpoll.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 3fd4014f3c5..2fdad420404 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1051,6 +1051,9 @@ asmlinkage long sys_epoll_create2(int size, int flags)
int error, fd = -1;
struct eventpoll *ep;
+ /* Check the EPOLL_* constant for consistency. */
+ BUILD_BUG_ON(EPOLL_CLOEXEC != O_CLOEXEC);
+
if (flags & ~EPOLL_CLOEXEC)
return -EINVAL;