From c2db1073fdf9757e6fd8b4a59d15b6ecc7a2af8a Mon Sep 17 00:00:00 2001 From: Tsutomu Itoh Date: Tue, 1 Mar 2011 06:48:31 +0000 Subject: Btrfs: check return value of btrfs_alloc_path() Adding the check on the return value of btrfs_alloc_path() to several places. And, some of callers are modified by this change. Signed-off-by: Tsutomu Itoh Signed-off-by: Chris Mason --- fs/btrfs/file-item.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/btrfs/file-item.c') diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index a2134195a85e..a6a9d4e8b491 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -170,6 +170,8 @@ static int __btrfs_lookup_bio_sums(struct btrfs_root *root, struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree; path = btrfs_alloc_path(); + if (!path) + return -ENOMEM; if (bio->bi_size > PAGE_CACHE_SIZE * 8) path->reada = 2; -- cgit v1.2.3-73-gaa49b