linux-kernel - [PATCH 5.7 466/477] tools/bootconfig: Fix to return 0 if succeeded to show the bootconfig

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Date:   Tue, 23 Jun 2020 21:57:43 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Masami Hiramatsu <mhiramat@...nel.org>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>
Subject: [PATCH 5.7 466/477] tools/bootconfig: Fix to return 0 if succeeded to show the bootconfig

From: Masami Hiramatsu <mhiramat@...nel.org>

commit f91cb5b7476a603068eae31e5b2cc170dd2b9b1b upstream.

Fix bootconfig to return 0 if succeeded to show the bootconfig
in initrd. Without this fix, "bootconfig INITRD" command
returns !0 even if the command succeeded to show the bootconfig.

Link: http://lkml.kernel.org/r/159230246566.65555.11891772258543514487.stgit@devnote2

Cc: stable@...r.kernel.org
Fixes: 950313ebf79c ("tools: bootconfig: Add bootconfig command")
Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 tools/bootconfig/main.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

--- a/tools/bootconfig/main.c
+++ b/tools/bootconfig/main.c
@@ -207,11 +207,13 @@ int show_xbc(const char *path)
 	}
 
 	ret = load_xbc_from_initrd(fd, &buf);
-	if (ret < 0)
+	if (ret < 0) {
 		pr_err("Failed to load a boot config from initrd: %d\n", ret);
-	else
-		xbc_show_compact_tree();
-
+		goto out;
+	}
+	xbc_show_compact_tree();
+	ret = 0;
+out:
 	close(fd);
 	free(buf);