diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-11-23 11:03:28 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-23 11:04:07 +0100 |
| commit | 457dc928f586f3f4b930206965e6db270034e97e (patch) | |
| tree | db1ff1d43058451cc42f6499f495e68d1a37e335 /kernel/trace/ftrace.c | |
| parent | 98e4833ba3c314c99dc364012fba6ac894230ad0 (diff) | |
tracing, function tracer: Clean up strstrip() usage
Clean up strstrip() usage - which also addresses this build warning:
kernel/trace/ftrace.c: In function 'ftrace_pid_write':
kernel/trace/ftrace.c:3004: warning: ignoring return value of 'strstrip', declared with attribute warn_unused_result
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/ftrace.c')
| -rw-r--r-- | kernel/trace/ftrace.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 7f9b51e8184..1dc101d0976 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -2985,7 +2985,7 @@ static ssize_t ftrace_pid_write(struct file *filp, const char __user *ubuf, size_t cnt, loff_t *ppos) { - char buf[64]; + char buf[64], *tmp; long val; int ret; @@ -3001,11 +3001,11 @@ ftrace_pid_write(struct file *filp, const char __user *ubuf, * Allow "echo > set_ftrace_pid" or "echo -n '' > set_ftrace_pid" * to clean the filter quietly. */ - strstrip(buf); - if (strlen(buf) == 0) + tmp = strstrip(buf); + if (strlen(tmp) == 0) return 1; - ret = strict_strtol(buf, 10, &val); + ret = strict_strtol(tmp, 10, &val); if (ret < 0) return ret; @@ -3391,4 +3391,3 @@ void ftrace_graph_stop(void) ftrace_stop(); } #endif - |