linux-kernel - [PATCH 3.4 109/125] ftrace/scripts: Fix incorrect use of sprintf in recordmcount

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Date:   Wed, 12 Oct 2016 20:33:45 +0800
From:   lizf@...nel.org
To:     stable@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Colin Ian King <colin.king@...onical.com>,
        Li Bin <huawei.libin@...wei.com>,
        Russell King <rmk+kernel@....linux.org.uk>,
        Will Deacon <will.deacon@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Zefan Li <lizefan@...wei.com>
Subject: [PATCH 3.4 109/125] ftrace/scripts: Fix incorrect use of sprintf in recordmcount

From: Colin Ian King <colin.king@...onical.com>

3.4.113-rc1 review patch.  If anyone has any objections, please let me know.

------------------


commit 713a3e4de707fab49d5aa4bceb77db1058572a7b upstream.

Fix build warning:

scripts/recordmcount.c:589:4: warning: format not a string
literal and no format arguments [-Wformat-security]
    sprintf("%s: failed\n", file);

Fixes: a50bd43935586 ("ftrace/scripts: Have recordmcount copy the object file")
Link: http://lkml.kernel.org/r/1451516801-16951-1-git-send-email-colin.king@canonical.com

Cc: Li Bin <huawei.libin@...wei.com>
Cc: Russell King <rmk+kernel@....linux.org.uk>
Cc: Will Deacon <will.deacon@....com>
Signed-off-by: Colin Ian King <colin.king@...onical.com>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
Signed-off-by: Zefan Li <lizefan@...wei.com>
---
 scripts/recordmcount.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 0970379..0d5ae4a 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -546,7 +546,7 @@ main(int argc, char *argv[])
 			do_file(file);
 			break;
 		case SJ_FAIL:    /* error in do_file or below */
-			sprintf("%s: failed\n", file);
+			fprintf(stderr, "%s: failed\n", file);
 			++n_error;
 			break;
 		case SJ_SUCCEED:    /* premature success */
-- 
1.9.1