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| author | Takashi Iwai <tiwai@suse.de> | 2019-07-07 11:29:03 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-07-07 11:29:30 +0200 |
| commit | b89b889a326a7abf1c9ceef7ddbe06dbaf8c2520 (patch) | |
| tree | d4f6a91d90fee3da58080dbd2c43a469dc5503a4 /sound/usb/line6 | |
| parent | d4bd30532688558a7de70f0c8edd2a7a25c3963f (diff) | |
| parent | 774a075ab5140bb4504e6026bf327021926c3e65 (diff) | |
| download | linux-b89b889a326a7abf1c9ceef7ddbe06dbaf8c2520.tar.bz2 | |
Merge branch 'topic/hda-refresh-cleanup' into for-next
Merge a cleanup for HD-audio widget refresh code
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/line6')
| -rw-r--r-- | sound/usb/line6/pcm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c index 72c6f8e82a7e..78c2d6cab3b5 100644 --- a/sound/usb/line6/pcm.c +++ b/sound/usb/line6/pcm.c @@ -560,6 +560,11 @@ int line6_init_pcm(struct usb_line6 *line6, line6pcm->max_packet_size_out = usb_maxpacket(line6->usbdev, usb_sndisocpipe(line6->usbdev, ep_write), 1); + if (!line6pcm->max_packet_size_in || !line6pcm->max_packet_size_out) { + dev_err(line6pcm->line6->ifcdev, + "cannot get proper max packet size\n"); + return -EINVAL; + } spin_lock_init(&line6pcm->out.lock); spin_lock_init(&line6pcm->in.lock); |