linux-kernel - [PATCH 3.10 100/180] xfs: fix up backport error in fs/xfs/xfs

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Date:   Sun, 21 Aug 2016 17:30:30 +0200
From:   Willy Tarreau <w@....eu>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Dave Chinner <david@...morbit.com>, Willy Tarreau <w@....eu>,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.10 100/180] xfs: fix up backport error in fs/xfs/xfs_inode.c

From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

commit 032ac851fd42a62717032a594ac319f8a76b8a7d upstream.

Commit c66edeaf79bb6f0ca688ffec9ca50a61b7569984, which was a backport of
commit b1438f477934f5a4d5a44df26f3079a7575d5946 upstream, needed to have
the error value be positive, not negative, in order to work properly.

Reported-by: "Thomas D." <whissi@...ssi.de>
Reported-by: Brad Spender <spender@...ecurity.net>
Cc: Dave Chinner <david@...morbit.com>
Cc: Willy Tarreau <w@....eu>
Cc: Jiri Slaby <jslaby@...e.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Willy Tarreau <w@....eu>
---
 fs/xfs/xfs_inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 130881e..06dec55 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2779,7 +2779,7 @@ xfs_iflush(
 	 */
 	error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &bp, XBF_TRYLOCK,
 			       0);
-	if (error == -EAGAIN) {
+	if (error == EAGAIN) {
 		xfs_ifunlock(ip);
 		return error;
 	}
-- 
2.8.0.rc2.1.gbe9624a