diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index 57933576212b..37c5d9a1f77b 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -1276,6 +1276,12 @@ int ntfs_read_run_nb(struct ntfs_sb_info *sbi, const struct runs_tree *run,
 
 		} while (len32);
 
+		if (!run) {
+			err = -EINVAL;
+			goto out;
+		}
+
+		/* Get next fragment to read. */
 		vcn_next = vcn + clen;
 		if (!run_get_entry(run, ++idx, &vcn, &lcn, &clen) ||
 		    vcn != vcn_next) {