diff options
| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-04-07 17:07:58 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-05-19 12:58:28 -0300 |
| commit | 5013318ca4fd22e30fd891f234b60daa3ca2f62d (patch) | |
| tree | 5aa4c5aa1b1c39463267d03c46635a7a732718d9 /drivers/media/video/em28xx/em28xx-dvb.c | |
| parent | d922b8ea33afad725920375b2d3bd65218cdb133 (diff) | |
V4L/DVB: em28xx: fix locks during dvb init sequence
Serialize DVB initialization, to avoid it to happen while analog
initialization is still happening.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-dvb.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-dvb.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c index e7b3d5371558..cf1d8c3655fc 100644 --- a/drivers/media/video/em28xx/em28xx-dvb.c +++ b/drivers/media/video/em28xx/em28xx-dvb.c @@ -467,6 +467,7 @@ static int dvb_init(struct em28xx *dev) } dev->dvb = dvb; + mutex_lock(&dev->lock); em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); /* init frontend */ switch (dev->model) { @@ -590,15 +591,16 @@ static int dvb_init(struct em28xx *dev) if (result < 0) goto out_free; - em28xx_set_mode(dev, EM28XX_SUSPEND); em28xx_info("Successfully loaded em28xx-dvb\n"); - return 0; +ret: + em28xx_set_mode(dev, EM28XX_SUSPEND); + mutex_unlock(&dev->lock); + return result; out_free: - em28xx_set_mode(dev, EM28XX_SUSPEND); kfree(dvb); dev->dvb = NULL; - return result; + goto ret; } static int dvb_fini(struct em28xx *dev) |