1 files changed, 5 insertions, 0 deletions
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 14528c0ffe63..c2c439acbb78 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -811,6 +811,11 @@ static int jfs_link(struct dentry *old_dentry,
 	if (rc)
 		goto out;
 
+	if (isReadOnly(ip)) {
+		jfs_error(ip->i_sb, "read-only filesystem\n");
+		return -EROFS;
+	}
+
 	tid = txBegin(ip->i_sb, 0);
 
 	mutex_lock_nested(&JFS_IP(dir)->commit_mutex, COMMIT_MUTEX_PARENT);