diff options
Diffstat (limited to 'drivers/usb/gadget/u_uac1.c')
| -rw-r--r-- | drivers/usb/gadget/u_uac1.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/gadget/u_uac1.c b/drivers/usb/gadget/u_uac1.c index af989898205..7a55fea4343 100644 --- a/drivers/usb/gadget/u_uac1.c +++ b/drivers/usb/gadget/u_uac1.c @@ -191,7 +191,7 @@ try_again: frames = bytes_to_frames(runtime, count); old_fs = get_fs(); set_fs(KERNEL_DS); - result = snd_pcm_lib_write(snd->substream, buf, frames); + result = snd_pcm_lib_write(snd->substream, (void __user *)buf, frames); if (result != frames) { ERROR(card, "Playback error: %d\n", (int)result); set_fs(old_fs); @@ -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; @@ -275,17 +278,17 @@ static int gaudio_close_snd_dev(struct gaudio *gau) /* Close control device */ snd = &gau->control; if (snd->filp) - filp_close(snd->filp, current->files); + filp_close(snd->filp, NULL); /* Close PCM playback device and setup substream */ snd = &gau->playback; if (snd->filp) - filp_close(snd->filp, current->files); + filp_close(snd->filp, NULL); /* Close PCM capture device and setup substream */ snd = &gau->capture; if (snd->filp) - filp_close(snd->filp, current->files); + filp_close(snd->filp, NULL); return 0; } |