diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 15:05:39 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 15:05:39 +0200 |
| commit | a9b9e81c915e4a57ac3b21d1a7fa7ff184639780 (patch) | |
| tree | 98304395fbb5b9c74fca35b196cd414c1949f280 /drivers/media/video/em28xx/em28xx-audio.c | |
| parent | a8b71a2810386a5ac8f43d2095fe3355f0d8db37 (diff) | |
| parent | fd048088306656824958e7783ffcee27e241b361 (diff) | |
| download | op-kernel-dev-a9b9e81c915e4a57ac3b21d1a7fa7ff184639780.zip op-kernel-dev-a9b9e81c915e4a57ac3b21d1a7fa7ff184639780.tar.gz | |
Merge branch 'linus' into x86/memory-corruption-check
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-audio.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-audio.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c index 3c00610..ac3292d 100644 --- a/drivers/media/video/em28xx/em28xx-audio.c +++ b/drivers/media/video/em28xx/em28xx-audio.c @@ -117,10 +117,10 @@ static void em28xx_audio_isocirq(struct urb *urb) if (oldptr + length >= runtime->buffer_size) { unsigned int cnt = - runtime->buffer_size - oldptr - 1; + runtime->buffer_size - oldptr; memcpy(runtime->dma_area + oldptr * stride, cp, cnt * stride); - memcpy(runtime->dma_area, cp + cnt, + memcpy(runtime->dma_area, cp + cnt * stride, length * stride - cnt * stride); } else { memcpy(runtime->dma_area + oldptr * stride, cp, @@ -161,8 +161,14 @@ static int em28xx_init_audio_isoc(struct em28xx *dev) memset(dev->adev->transfer_buffer[i], 0x80, sb_size); urb = usb_alloc_urb(EM28XX_NUM_AUDIO_PACKETS, GFP_ATOMIC); - if (!urb) + if (!urb) { + em28xx_errdev("usb_alloc_urb failed!\n"); + for (j = 0; j < i; j++) { + usb_free_urb(dev->adev->urb[j]); + kfree(dev->adev->transfer_buffer[j]); + } return -ENOMEM; + } urb->dev = dev->udev; urb->context = dev; |
