diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 90d68760af086bd6de78c71dc4a1f6954ceb7a5b..777638f597aa66c6c54aa4d7915fec2eabb1167d 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -838,6 +838,9 @@ static const struct blk_mq_debugfs_attr blk_mq_debugfs_ctx_attrs[] = { static bool debugfs_create_files(struct dentry *parent, void *data, const struct blk_mq_debugfs_attr *attr) { + if (IS_ERR_OR_NULL(parent)) + return false; + d_inode(parent)->i_private = data; for (; attr->name; attr++) {