diff options
| author | Robert Krakora <rob.krakora@messagenetsystems.com> | 2009-02-08 13:09:11 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:42:44 -0300 |
| commit | aa5a1821859c9c2915bc00e79f6e01e619df6e8f (patch) | |
| tree | 9d00a558f3f3e8ba4ec624edc7e59ba8e1e0cc96 /drivers/media/video | |
| parent | 3e099baff451affd13a93c6fed216943e01b80fd (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')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-audio.c | 22 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-core.c | 13 |
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); |