tracing/kprobe: Remove unneeded extra strchr() from create_trace_kprobe()
By utilizing a temporary variable, we can avoid adding another call to
strchr(). Instead, save the first call to a temp variable, and then use that
variable as the reference to set the event variable.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index c300323..508396e 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -749,10 +749,13 @@ static int create_trace_kprobe(int argc, char **argv)
}
if (event) {
- if (strchr(event, '/')) {
+ char *slash;
+
+ slash = strchr(event, '/');
+ if (slash) {
group = event;
- event = strchr(group, '/') + 1;
- event[-1] = '\0';
+ event = slash + 1;
+ slash[0] = '\0';
if (strlen(group) == 0) {
pr_info("Group name is not specified\n");
return -EINVAL;