From: Chen Gang Date: Mon, 8 Apr 2013 04:06:44 +0000 (+0800) Subject: perf: Fix strncpy() use, use strlcpy() instead of strncpy() X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=67012ab1d2ce871afea4ee55408f233f97d09d07;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git perf: Fix strncpy() use, use strlcpy() instead of strncpy() For NUL terminated string we always need to set '\0' at the end. Signed-off-by: Chen Gang Cc: rostedt@goodmis.org Cc: Frederic Weisbecker Link: http://lkml.kernel.org/r/51624254.30301@asianux.com Signed-off-by: Ingo Molnar --- diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 4f1dade56981..3f5046a4d81b 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -132,7 +132,7 @@ static char *default_bootup_tracer; 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 = 1; @@ -162,7 +162,7 @@ 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; }