1 files changed, 12 insertions, 2 deletions

diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c
index 94378ccb7505..5d882a44e3ee 100644
--- a/drivers/media/video/em28xx/em28xx-audio.c
+++ b/drivers/media/video/em28xx/em28xx-audio.c
@@ -62,9 +62,15 @@ static int em28xx_isoc_audio_deinit(struct em28xx *dev)
 
         dprintk("Stopping isoc\n");
         for (i = 0; i < EM28XX_AUDIO_BUFS; i++) {
-                usb_unlink_urb(dev->adev.urb[i]);
+                if (!irqs_disabled())
+                        usb_kill_urb(dev->adev.urb[i]);
+                else
+                        usb_unlink_urb(dev->adev.urb[i]);
                 usb_free_urb(dev->adev.urb[i]);
                 dev->adev.urb[i] = NULL;
+
+                kfree(dev->adev.transfer_buffer[i]);
+                dev->adev.transfer_buffer[i] = NULL;
         }
 
         return 0;
@@ -389,11 +395,15 @@ static int snd_em28xx_capture_trigger(struct snd_pcm_substream *substream,
 static snd_pcm_uframes_t snd_em28xx_capture_pointer(struct snd_pcm_substream
                                                     *substream)
 {
-        struct em28xx *dev;
+       unsigned long flags;
 
+        struct em28xx *dev;
         snd_pcm_uframes_t hwptr_done;
+
         dev = snd_pcm_substream_chip(substream);
+       spin_lock_irqsave(&dev->adev.slock, flags);
         hwptr_done = dev->adev.hwptr_done_capture;
+       spin_unlock_irqrestore(&dev->adev.slock, flags);
 
         return hwptr_done;
 }