Btrfs: fix uninit warning in backref.c

Added initialization with the declaration of ret. It isn't set later on the
switch-default branch (which should never be taken).

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index b9a843226de859c34c8e17f9172aeab0ff0f3be1..633c701a287d4be0242d5b1706515aad4845ecfb 100644 (file)
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -297,7 +297,7 @@ static int __add_delayed_refs(struct btrfs_delayed_ref_head *head, u64 seq,
        struct btrfs_delayed_extent_op *extent_op = head->extent_op;
        struct rb_node *n = &head->node.rb_node;
        int sgn;
-       int ret;
+       int ret = 0;
 
        if (extent_op && extent_op->update_key)
                btrfs_disk_key_to_cpu(info_key, &extent_op->key);
@@ -392,7 +392,7 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info,
                             struct btrfs_key *info_key, int *info_level,
                             struct list_head *prefs)
 {
-       int ret;
+       int ret = 0;
        int slot;
        struct extent_buffer *leaf;
        struct btrfs_key key;