From: Maxim Patlasov <MPatlasov@parallels.com>
Date: Thu, 10 Jul 2014 11:32:43 +0000 (+0400)
Subject: fuse: release temporary page if fuse_writepage_locked() failed
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=27f1b36326bc8b6911e7052bc4b80a10234f0ec5;p=openwrt%2Fstaging%2Fblogic.git

fuse: release temporary page if fuse_writepage_locked() failed

tmp_page to be freed if fuse_write_file_get() returns NULL.

Signed-off-by: Maxim Patlasov <mpatlasov@parallels.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 96d513e01a5d..35b6f31ecc38 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1722,7 +1722,7 @@ static int fuse_writepage_locked(struct page *page)
 	error = -EIO;
 	req->ff = fuse_write_file_get(fc, fi);
 	if (!req->ff)
-		goto err_free;
+		goto err_nofile;
 
 	fuse_write_fill(req, req->ff, page_offset(page), 0);
 
@@ -1750,6 +1750,8 @@ static int fuse_writepage_locked(struct page *page)
 
 	return 0;
 
+err_nofile:
+	__free_page(tmp_page);
 err_free:
 	fuse_request_free(req);
 err: