add poweroff command

hc

2023-12-14 982b8cc116118b3463d3f332581945625722acd8

 kernel/fs/ubifs/super.c
..
..
@@ -833,7 +833,7 @@
833
833
 		INIT_LIST_HEAD(&c->jheads[i].buds_list);
834
834
 		err = ubifs_wbuf_init(c, &c->jheads[i].wbuf);
835
835
 		if (err)
836
-			return err;
836
+			goto out_wbuf;
837
837
 
838
838
 		c->jheads[i].wbuf.sync_callback = &bud_wbuf_callback;
839
839
 		c->jheads[i].wbuf.jhead = i;
..
..
@@ -841,7 +841,7 @@
841
841
 		c->jheads[i].log_hash = ubifs_hash_get_desc(c);
842
842
 		if (IS_ERR(c->jheads[i].log_hash)) {
843
843
 			err = PTR_ERR(c->jheads[i].log_hash);
844
-			goto out;
844
+			goto out_log_hash;
845
845
 		}
846
846
 	}
847
847
 
..
..
@@ -854,9 +854,18 @@
854
854
 
855
855
 	return 0;
856
856
 
857
-out:
858
-	while (i--)
857
+out_log_hash:
858
+	kfree(c->jheads[i].wbuf.buf);
859
+	kfree(c->jheads[i].wbuf.inodes);
860
+
861
+out_wbuf:
862
+	while (i--) {
863
+		kfree(c->jheads[i].wbuf.buf);
864
+		kfree(c->jheads[i].wbuf.inodes);
859
865
 		kfree(c->jheads[i].log_hash);
866
+	}
867
+	kfree(c->jheads);
868
+	c->jheads = NULL;
860
869
 
861
870
 	return err;
862
871
 }