Re: [PATCH] selftests/alsa: remove 0/NULL global variable assignment

On Thu, Aug 21, 2025 at 11:01:32PM +0300, Nikola Z. Ivanov wrote:

Remove 0/NULL global variable assignment in mixer-test.c and pcm-test.c

Why?

--- a/tools/testing/selftests/alsa/mixer-test.c +++ b/tools/testing/selftests/alsa/mixer-test.c @@ -53,10 +53,10 @@ struct ctl_data { struct ctl_data *next; }; -int num_cards = 0; -int num_controls = 0; -struct card_data *card_list = NULL; -struct ctl_data *ctl_list = NULL; +int num_cards; +int num_controls; +struct card_data *card_list; +struct ctl_data *ctl_list;

Nothing now sets initial values for these variables so they all have undefined values which is buggy. The code is relying on the default values.