From: Tom Zanussi <[email protected]> Since we now have a str_has_prefix() that returns the length, we can use that instead of explicitly calculating it.
Signed-off-by: Tom Zanussi <[email protected]> Cc: Joe Perches <[email protected]> --- kernel/trace/trace_events_hist.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 449d90cfa151..c4a667503bf0 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -1200,8 +1200,8 @@ 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; } -- 2.14.1
