linux-kernel - [PATCH] tools/bootconfig: Fix apply

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Message-ID: <20200508111349.3b599bde@gandalf.local.home>
Date:   Fri, 8 May 2020 11:13:49 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Yunfeng Ye <yeyunfeng@...wei.com>,
        Shiyuan Hu <hushiyuan@...wei.com>,
        Hewenliang <hewenliang4@...wei.com>
Subject: [PATCH] tools/bootconfig: Fix apply_xbc() to return zero on success

From: "Steven Rostedt (VMware)" <rostedt@...dmis.org>

The return of apply_xbc() returns the result of the last write() call, which
is not what is expected. It should only return zero on success.

Link: https://lore.kernel.org/r/20200508093059.GF9365@kadam

Fixes: 8842604446d1 ("tools/bootconfig: Fix resource leak in apply_xbc()")
Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
---
 tools/bootconfig/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c
index 001076c51712..0efaf45f7367 100644
--- a/tools/bootconfig/main.c
+++ b/tools/bootconfig/main.c
@@ -337,6 +337,7 @@ int apply_xbc(const char *path, const char *xbc_path)
 		pr_err("Failed to apply a boot config magic: %d\n", ret);
 		goto out;
 	}
+	ret = 0;
 out:
 	close(fd);
 	free(data);
-- 
2.20.1