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usb: gadget: u_uac1: NULL dereference on error path

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We should return here with an error code instead of continuing.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Dan Carpenter 2013-02-28 07:44:38 +03:00 committed by Felipe Balbi
parent fddedd8334
commit 29240e2392
1 changed files with 3 additions and 0 deletions
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drivers/usb/gadget/u_uac1.c
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@ -240,8 +240,11 @@ static int gaudio_open_snd_dev(struct gaudio *card)
snd = &card->playback;
snd->filp = filp_open(fn_play, O_WRONLY, 0);
if (IS_ERR(snd->filp)) {
int ret = PTR_ERR(snd->filp);
ERROR(card, "No such PCM playback device: %s\n", fn_play);
snd->filp = NULL;
return ret;
}
pcm_file = snd->filp->private_data;
snd->substream = pcm_file->substream;