Btrfs: remove always true if branch in btrfs_get_extent

@path is always NULL when it comes to the if branch.

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2a8d4d3..97ccc77 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6821,19 +6821,15 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
        em->len = (u64)-1;
        em->block_len = (u64)-1;
 
+       path = btrfs_alloc_path();
        if (!path) {
-               path = btrfs_alloc_path();
-               if (!path) {
-                       err = -ENOMEM;
-                       goto out;
-               }
-               /*
-                * Chances are we'll be called again, so go ahead and do
-                * readahead
-                */
-               path->reada = READA_FORWARD;
+               err = -ENOMEM;
+               goto out;
        }
 
+       /* Chances are we'll be called again, so go ahead and do readahead */
+       path->reada = READA_FORWARD;
+
        ret = btrfs_lookup_file_extent(NULL, root, path, objectid, start, 0);
        if (ret < 0) {
                err = ret;