UBIFS: fix error path in create_default_filesystem()

In the end of 'create_default_filesystem()' we need to check the return value of 'ubifs_write_node()' to ensure that we have successfully written the 'cs_node'. Signed-off-by: hujianyang <[email protected]> Signed-off-by: Artem Bityutskiy <[email protected]>
josf · Jul 19, 2014 · 6dcfb80 · 6dcfb80
1 parent f2b6521
commit 6dcfb80
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c
@@ -332,6 +332,8 @@ static int create_default_filesystem(struct ubifs_info *c)
 	cs->ch.node_type = UBIFS_CS_NODE;
 	err = ubifs_write_node(c, cs, UBIFS_CS_NODE_SZ, UBIFS_LOG_LNUM, 0);
 	kfree(cs);
+	if (err)
+		return err;
 
 	ubifs_msg("default file-system created");
 	return 0;