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usb: gadget: u_uac1: add __user annotation 

Added __user annotation to fix the following sparse warning.

drivers/usb/gadget/u_uac1.c:194:52: warning: incorrect type in argument 2 (different address spaces)
drivers/usb/gadget/u_uac1.c:194:52:    expected void const [noderef] <asn:1>*buf
drivers/usb/gadget/u_uac1.c:194:52:    got void *buf

Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Jingoo Han 2013-08-05 12:14:17 +09:00 committed by Felipe Balbi
parent bf19647d8f
commit 2419831c37
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/gadget/u_uac1.c
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@ -191,7 +191,7 @@ static size_t u_audio_playback(struct gaudio *card, void *buf, size_t count)
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);