From: Chen Gang <gang.chen@asianux.com>
To: rostedt@goodmis.org, Frederic Weisbecker <fweisbec@gmail.com>,
"mingo@redhat.com" <mingo@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH] kernel: trace: strncpy, using strlcpy instead of strncpy
Date: Mon, 08 Apr 2013 12:06:44 +0800 [thread overview]
Message-ID: <51624254.30301@asianux.com> (raw)
for NUL terminated string, need always set '\0' at the end.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
---
kernel/trace/trace.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 829b2be..07860b9 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -125,7 +125,7 @@ static bool allocate_snapshot;
static int __init set_cmdline_ftrace(char *str)
{
- strncpy(bootup_tracer_buf, str, MAX_TRACER_SIZE);
+ strlcpy(bootup_tracer_buf, str, MAX_TRACER_SIZE);
default_bootup_tracer = bootup_tracer_buf;
/* We are using ftrace early, expand it */
ring_buffer_expanded = true;
@@ -164,7 +164,7 @@ static char *trace_boot_options __initdata;
static int __init set_trace_boot_options(char *str)
{
- strncpy(trace_boot_options_buf, str, MAX_TRACER_SIZE);
+ strlcpy(trace_boot_options_buf, str, MAX_TRACER_SIZE);
trace_boot_options = trace_boot_options_buf;
return 0;
}
--
1.7.7.6
next reply other threads:[~2013-04-08 4:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-08 4:06 Chen Gang [this message]
2013-04-08 15:30 ` [tip:perf/urgent] perf: Fix strncpy() use, use strlcpy() instead of strncpy() tip-bot for Chen Gang
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