From: Julio Faracco Date: Sat, 4 Sep 2021 15:54:38 +0000 (+0900) Subject: bootconfig: Fix missing return check of xbc_node_compose_key function X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=903bd067faa837fddb6e5c8b740c3374dc582f04;p=linux.git bootconfig: Fix missing return check of xbc_node_compose_key function The function `xbc_show_list should` handle the keys during the composition. Even the errors returned by the compose function. Instead of removing the `ret` variable, it should save the value and show the exact error. This missing variable is causing a compilation issue also. Link: https://lkml.kernel.org/r/163077087861.222577.12884543474750968146.stgit@devnote2 Fixes: e5efaeb8a8f5 ("bootconfig: Support mixing a value and subkeys under a key") Signed-off-by: Julio Faracco Acked-by: Masami Hiramatsu Cc: stable@vger.kernel.org Signed-off-by: Steven Rostedt (VMware) --- diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c index f45fa992e01d..fd67496a947f 100644 --- a/tools/bootconfig/main.c +++ b/tools/bootconfig/main.c @@ -111,9 +111,11 @@ static void xbc_show_list(void) char key[XBC_KEYLEN_MAX]; struct xbc_node *leaf; const char *val; + int ret; xbc_for_each_key_value(leaf, val) { - if (xbc_node_compose_key(leaf, key, XBC_KEYLEN_MAX) < 0) { + ret = xbc_node_compose_key(leaf, key, XBC_KEYLEN_MAX); + if (ret < 0) { fprintf(stderr, "Failed to compose key %d\n", ret); break; }