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Commit ed581aaf authored by Tom Zanussi's avatar Tom Zanussi Committed by Steven Rostedt (VMware)
Browse files

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: default avatarTom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 745cfeaa

kernel/trace/trace_events_hist.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

	}