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 96d513e..35b6f31 100644 (file)
--- 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: