epoll: fix size check in epoll_create()

commit bfe3891a5f5d3b78146a45f40e435d14f5ae39dd upstream.

Fix a size check WRT the manual pages.  This was inadvertently broken by
commit 9fe5ad9c8cef9ad5873d8ee55d1cf00d9b607df0 ("flag parameters
add-on: remove epoll_create size param").

Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
Cc: <Hiroyuki.Mach@gmail.com>
Cc: rohit verma <rohit.170309@gmail.com>
Cc: Ulrich Drepper <drepper@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 801de2c..fd5835b 100644 (file)
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1132,7 +1132,7 @@ error_return:
 
 SYSCALL_DEFINE1(epoll_create, int, size)
 {
-       if (size < 0)
+       if (size <= 0)
                return -EINVAL;
 
        return sys_epoll_create1(0);