From: Davide Libenzi <davidel@xmailserver.org>
Date: Tue, 12 May 2009 20:19:44 +0000 (-0700)
Subject: epoll: fix size check in epoll_create()
X-Git-Tag: v2.6.29.4~15
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4eccd99ef7a39afd3005dadc91a80031aca5cbd6;p=thirdparty%2Fkernel%2Fstable.git

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 011b9b8c90c69..e323e4793afde 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1136,7 +1136,7 @@ error_return:
 
 SYSCALL_DEFINE1(epoll_create, int, size)
 {
-	if (size < 0)
+	if (size <= 0)
 		return -EINVAL;
 
 	return sys_epoll_create1(0);