[PATCH] kernel: trace: strncpy, using strlcpy instead of strncpy

From: Chen Gang
Date: Mon Apr 08 2013 - 00:07:21 EST



for NUL terminated string, need always set '\0' at the end.

Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
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
--
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