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perf: Fix strncpy() use, use strlcpy() instead of strncpy()

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For NUL terminated string we always need to set '\0' at the end.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: rostedt@goodmis.org
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/51624254.30301@asianux.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Chen Gang 2013-04-08 12:06:44 +08:00 committed by Ingo Molnar
parent c97847d2f0
commit 67012ab1d2
1 changed files with 2 additions and 2 deletions
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4
kernel/trace/trace.c
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@ -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;
}