On Tue, 16 May 2017 23:21:25 +0530
"Naveen N. Rao" <naveen.n.rao@xxxxxxxxxxxxxxxxxx> wrote:
> Handle a NULL glob properly and simplify the check.
>
Looks good to me.
Reviewed-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Thanks!
> Signed-off-by: Naveen N. Rao <naveen.n.rao@xxxxxxxxxxxxxxxxxx>
> ---
> kernel/trace/ftrace.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
> index 39dca4e86a94..c35c3e67d09a 100644
> --- a/kernel/trace/ftrace.c
> +++ b/kernel/trace/ftrace.c
> @@ -4144,9 +4144,9 @@ unregister_ftrace_function_probe_func(char *glob, struct trace_array *tr,
> int i, ret = -ENODEV;
> int size;
>
> - if (glob && (strcmp(glob, "*") == 0 || !strlen(glob)))
> + if (!glob || !strlen(glob) || !strcmp(glob, "*"))
> func_g.search = NULL;
> - else if (glob) {
> + else {
> int not;
>
> func_g.type = filter_parse_regex(glob, strlen(glob),
> --
> 2.12.2
>
--
Masami Hiramatsu <mhiramat@xxxxxxxxxx>
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