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-rw-r--r--fs/gfs2/ops_fstype.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index c2469833b4fb..6b84ef6ccff3 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -1333,6 +1333,9 @@ static struct dentry *gfs2_mount_meta(struct file_system_type *fs_type,
struct path path;
int error;
+ if (!dev_name || !*dev_name)
+ return ERR_PTR(-EINVAL);
+
error = kern_path(dev_name, LOOKUP_FOLLOW, &path);
if (error) {
pr_warn("path_lookup on %s returned error %d\n",