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authorRobert Krakora <rob.krakora@messagenetsystems.com>2009-02-08 13:09:11 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-03-30 12:42:44 -0300
commitaa5a1821859c9c2915bc00e79f6e01e619df6e8f (patch)
tree9d00a558f3f3e8ba4ec624edc7e59ba8e1e0cc96 /drivers/media/video/em28xx
parent3e099baff451affd13a93c6fed216943e01b80fd (diff)
V4L/DVB (10518): em28xx: Fix for em28xx memory leak and function rename
Fix for em28xx memory leak and function rename Signed-off-by: Robert Krakora <rob.krakora@messagenetsystems.com> Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/em28xx')
-rw-r--r--drivers/media/video/em28xx/em28xx-audio.c22
-rw-r--r--drivers/media/video/em28xx/em28xx-core.c13
2 files changed, 31 insertions, 4 deletions
diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c
index 7a62c77b848..c698d3c9690 100644
--- a/drivers/media/video/em28xx/em28xx-audio.c
+++ b/drivers/media/video/em28xx/em28xx-audio.c
@@ -56,7 +56,7 @@ MODULE_PARM_DESC(debug, "activates debug info");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
-static int em28xx_isoc_audio_deinit(struct em28xx *dev)
+static int em28xx_deinit_isoc_audio(struct em28xx *dev)
{
int i;
@@ -66,6 +66,7 @@ static int em28xx_isoc_audio_deinit(struct em28xx *dev)
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;
@@ -87,6 +88,20 @@ static void em28xx_audio_isocirq(struct urb *urb)
unsigned int stride;
struct snd_pcm_substream *substream;
struct snd_pcm_runtime *runtime;
+
+ switch (urb->status) {
+ case 0: /* success */
+ case -ETIMEDOUT: /* NAK */
+ break;
+ case -ECONNRESET: /* kill */
+ case -ENOENT:
+ case -ESHUTDOWN:
+ return;
+ default: /* error */
+ dprintk("urb completition error %d.\n", urb->status);
+ break;
+ }
+
if (dev->adev.capture_pcm_substream) {
substream = dev->adev.capture_pcm_substream;
runtime = substream->runtime;
@@ -197,8 +212,7 @@ static int em28xx_init_audio_isoc(struct em28xx *dev)
for (i = 0; i < EM28XX_AUDIO_BUFS; i++) {
errCode = usb_submit_urb(dev->adev.urb[i], GFP_ATOMIC);
if (errCode) {
- em28xx_isoc_audio_deinit(dev);
-
+ em28xx_deinit_isoc_audio(dev);
return errCode;
}
}
@@ -218,7 +232,7 @@ static int em28xx_cmd(struct em28xx *dev, int cmd, int arg)
em28xx_init_audio_isoc(dev);
} else if (dev->adev.capture_stream == STREAM_ON && arg == 0) {
dev->adev.capture_stream = STREAM_OFF;
- em28xx_isoc_audio_deinit(dev);
+ em28xx_deinit_isoc_audio(dev);
} else {
printk(KERN_ERR "An underrun very likely occurred. "
"Ignoring it.\n");
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index 3ac8ce0adec..43f1d0e4c54 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -827,6 +827,19 @@ static void em28xx_irq_callback(struct urb *urb)
struct em28xx *dev = container_of(dma_q, struct em28xx, vidq);
int rc, i;
+ switch (urb->status) {
+ case 0: /* success */
+ case -ETIMEDOUT: /* NAK */
+ break;
+ case -ECONNRESET: /* kill */
+ case -ENOENT:
+ case -ESHUTDOWN:
+ return;
+ default: /* error */
+ em28xx_isocdbg("urb completition error %d.\n", urb->status);
+ break;
+ }
+
/* Copy data from URB */
spin_lock(&dev->slock);
rc = dev->isoc_ctl.isoc_copy(dev, urb);