From: Atsushi Tsuji Fix the condition of strcmp for "*". Also fix NULL pointer dereference when glob is NULL. Signed-off-by: Atsushi Tsuji LKML-Reference: <4AAF6726.5090905@bk.jp.nec.com> Signed-off-by: Steven Rostedt --- kernel/trace/ftrace.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 8b23d56..f7ab7fc 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -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, ¬); -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/