diff --git a/fs/readdir.c b/fs/readdir.c
index efe52e6..4e026e5 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -30,7 +30,10 @@
 	if (res)
 		goto out;
 
-	mutex_lock(&inode->i_mutex);
+	res = mutex_lock_killable(&inode->i_mutex);
+	if (res)
+		goto out;
+
 	res = -ENOENT;
 	if (!IS_DEADDIR(inode)) {
 		res = file->f_op->readdir(file, buf, filler);