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

[Chen Gang]

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

Signed-off-by: Chen Gang <gang.c...@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
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