While running my error injection script I hit a panic when we tried to
clean up the fs_root when free'ing the fs_root. This is because
fs_info->fs_root == PTR_ERR(-EIO), which isn't great. Fix this by
setting fs_info->fs_root = NULL; if we fail to read the root.
Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
---
fs/btrfs/disk-io.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index eb441fa3711b..5b6140482cef 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3260,6 +3260,7 @@ int __cold open_ctree(struct super_block *sb,
if (IS_ERR(fs_info->fs_root)) {
err = PTR_ERR(fs_info->fs_root);
btrfs_warn(fs_info, "failed to read fs tree: %d", err);
+ fs_info->fs_root = NULL;
goto fail_qgroup;
}
--
2.24.1
