Commit b36461da authored Sep 15, 2009 by Atsushi Tsuji Committed by Steven Rostedt Sep 16, 2009

tracing: Fix minor bugs for __unregister_ftrace_function_probe



Fix the condition of strcmp for "*".
Also fix NULL pointer dereference when glob is NULL.

Signed-off-by: Atsushi Tsuji <a-tsuji@bk.jp.nec.com>
LKML-Reference: <4AAF6726.5090905@bk.jp.nec.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

parent fe832a3a

kernel/trace/ftrace.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -2062,9 +2062,9 @@ __unregister_ftrace_function_probe(char glob, struct ftrace_probe_ops ops,
		int i, len = 0;
		char *search;

		if (glob && (strcmp(glob, "*") \|\| !strlen(glob)))
		if (glob && (strcmp(glob, "*") == 0 \|\| !strlen(glob)))
		glob = NULL;
		else {
		else if (glob) {
		int not;

		type = ftrace_setup_glob(glob, strlen(glob), &search, &not);