epoll: fix size check in epoll_create()

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 <[email protected]>
Cc: <[email protected]>
Cc: rohit verma <[email protected]>
Cc: Ulrich Drepper <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index a89f370..5458e80 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1212,7 +1212,7 @@
 
 SYSCALL_DEFINE1(epoll_create, int, size)
 {
-	if (size < 0)
+	if (size <= 0)
 		return -EINVAL;
 
 	return sys_epoll_create1(0);