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authorChristoph Hellwig <hch@lst.de>2023-05-23 11:40:20 +0300
committerDavid Sterba <dsterba@suse.com>2023-06-19 14:59:29 +0300
commit25ac047c9d3df373de35ba4ee3f0c902874a1fab (patch)
treebcc647a2f0154e4a913db436d690edbcfa8a0870 /fs/btrfs/disk-io.c
parente91909aace336a182da20bcbe507995ac24f74bb (diff)
downloadlinux-25ac047c9d3df373de35ba4ee3f0c902874a1fab.tar.xz
btrfs: remove a pointless NULL check in btrfs_lookup_fs_root
btrfs_grab_root already checks for a NULL root itself. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index c53c82cd0885..06dab9d018c2 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1157,8 +1157,7 @@ static struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info,
spin_lock(&fs_info->fs_roots_radix_lock);
root = radix_tree_lookup(&fs_info->fs_roots_radix,
(unsigned long)root_id);
- if (root)
- root = btrfs_grab_root(root);
+ root = btrfs_grab_root(root);
spin_unlock(&fs_info->fs_roots_radix_lock);
return root;
}