diff options
| author | Tom Zanussi <tom.zanussi@linux.intel.com> | 2019-02-04 15:07:23 -0600 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-03-05 08:47:46 -0500 |
| commit | ed581aaf99be10883c8364df16bd80a7b8f72efc (patch) | |
| tree | 007083cb3a52cf208b603113a684fa8f14155956 /kernel/trace | |
| parent | 745cfeaac09ce359130a5451d90cb0bd4094c290 (diff) | |
tracing: Use str_has_prefix() in synth_event_create()
Since we now have a str_has_prefix() that returns the length, we can
use that instead of explicitly calculating it.
Link: http://lkml.kernel.org/r/03418373fd1e80030e7394b8e3e081c5de28a710.1549309756.git.tom.zanussi@linux.intel.com
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 66386ba1425f..5b03b9a869bb 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -1316,8 +1316,8 @@ static int synth_event_create(int argc, const char **argv) /* This interface accepts group name prefix */ if (strchr(name, '/')) { - len = sizeof(SYNTH_SYSTEM "/") - 1; - if (strncmp(name, SYNTH_SYSTEM "/", len)) + len = str_has_prefix(name, SYNTH_SYSTEM "/"); + if (len == 0) return -EINVAL; name += len; } |