From 7cbd8a839118eede2393f0926b8e15027162bcd6 Mon Sep 17 00:00:00 2001 From: yanhai zhu Date: Wed, 12 Nov 2008 14:38:54 -0500 Subject: [PATCH] Btrfs: Add a missing return pointer check Add a missing kzalloc() return pointer check in add_missing_dev(). Signed-off-by: Chris Mason --- fs/btrfs/volumes.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index d6f1996de629..ecf0633ab8cc 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2755,6 +2755,8 @@ static struct btrfs_device *add_missing_dev(struct btrfs_root *root, struct btrfs_fs_devices *fs_devices = root->fs_info->fs_devices; device = kzalloc(sizeof(*device), GFP_NOFS); + if (!device) + return NULL; list_add(&device->dev_list, &fs_devices->devices); device->barriers = 1;