linux-kernel - [PATCH v2 3/4] tools/bootconfig: Fix to return 0 if succeeded to show the bootconfig

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Date:   Tue, 16 Jun 2020 19:14:25 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     stable@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 3/4] tools/bootconfig: Fix to return 0 if succeeded to show the bootconfig

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.

Fixes: 950313ebf79c ("tools: bootconfig: Add bootconfig command")
Cc: stable@...r.kernel.org
Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
---
  Changes in v2:
   - Use goto for better reading.
---
 tools/bootconfig/main.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c
index 21896a6675fd..e0878f5f74b1 100644
--- 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);