Messages in this thread Patch in this message | | | From | Kangjie Lu <> | Subject | [PATCH] line6: add a check for snd_card_register | Date | Tue, 25 Dec 2018 21:39:31 -0600 |
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The fix checks if snd_card_register() fails, and if so, issues a warning.
Signed-off-by: Kangjie Lu <kjlu@umn.edu> --- sound/usb/line6/pod.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/usb/line6/pod.c b/sound/usb/line6/pod.c index 020c81818951..da8837bc5a5b 100644 --- a/sound/usb/line6/pod.c +++ b/sound/usb/line6/pod.c @@ -320,7 +320,8 @@ static void pod_startup4(struct work_struct *work) line6_read_serial_number(&pod->line6, &pod->serial_number); /* ALSA audio interface: */ - snd_card_register(line6->card); + if (snd_card_register(line6->card)) + pr_warn("Failed to register ALSA card.\n"); } /* POD special files: */ -- 2.17.2 (Apple Git-113)
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