add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/ubifs/super.c
..
..
@@ -833,7 +833,7 @@
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 		INIT_LIST_HEAD(&c->jheads[i].buds_list);
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 		err = ubifs_wbuf_init(c, &c->jheads[i].wbuf);
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 		if (err)
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-			return err;
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+			goto out_wbuf;
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 		c->jheads[i].wbuf.sync_callback = &bud_wbuf_callback;
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 		c->jheads[i].wbuf.jhead = i;
..
..
@@ -841,7 +841,7 @@
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 		c->jheads[i].log_hash = ubifs_hash_get_desc(c);
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 		if (IS_ERR(c->jheads[i].log_hash)) {
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 			err = PTR_ERR(c->jheads[i].log_hash);
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-			goto out;
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+			goto out_log_hash;
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 		}
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 	}
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..
..
@@ -854,9 +854,18 @@
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 	return 0;
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-out:
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-	while (i--)
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+out_log_hash:
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+	kfree(c->jheads[i].wbuf.buf);
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+	kfree(c->jheads[i].wbuf.inodes);
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+
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+out_wbuf:
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+	while (i--) {
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+		kfree(c->jheads[i].wbuf.buf);
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+		kfree(c->jheads[i].wbuf.inodes);
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 		kfree(c->jheads[i].log_hash);
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+	}
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+	kfree(c->jheads);
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+	c->jheads = NULL;
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 	return err;
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 }