firmware/br-ext-chip-goke/board/gk7205v200/kernel/patches/00_drivers-usb-gadget-funct...

28 lines
836 B
Diff

--- linux-4.9.37/drivers/usb/gadget/function/u_uac1.c 2017-07-12 16:42:41.000000000 +0300
+++ linux-4.9.y/drivers/usb/gadget/function/u_uac1.c 2021-06-07 13:01:34.000000000 +0300
@@ -157,7 +157,6 @@
struct gaudio_snd_dev *snd = &card->playback;
struct snd_pcm_substream *substream = snd->substream;
struct snd_pcm_runtime *runtime = substream->runtime;
- mm_segment_t old_fs;
ssize_t result;
snd_pcm_sframes_t frames;
@@ -174,15 +173,11 @@
}
frames = bytes_to_frames(runtime, count);
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- result = snd_pcm_lib_write(snd->substream, (void __user *)buf, frames);
+ result = snd_pcm_kernel_write(snd->substream, buf, frames);
if (result != frames) {
ERROR(card, "Playback error: %d\n", (int)result);
- set_fs(old_fs);
goto try_again;
}
- set_fs(old_fs);
return 0;
}