From: Shuah Khan Date: Sat, 12 Jul 2014 16:44:13 +0000 (-0300) Subject: [media] media: em28xx-dvb update fe exit flag to indicate device disconnect X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f68e35af99cfbefdd250e37d4d9ba778d67e253d;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git [media] media: em28xx-dvb update fe exit flag to indicate device disconnect Change em28xx_dvb_fini() to set fe exit flag to DVB_FE_DEVICE_REMOVED when device is disconnected. em28xx maintains device disconnect status in em28xx device. fe drivers will be able to now check the fe exit status to avoid accessing the device, from their release interfaces when called from disconnect path. This change depends on dvb-core change that exports fe exit flag by moving it from fepriv to fe. Signed-off-by: Shuah Khan Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c index 2cf34efc9517..3a3e243edf89 100644 --- a/drivers/media/usb/em28xx/em28xx-dvb.c +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -1654,10 +1654,14 @@ static int em28xx_dvb_fini(struct em28xx *dev) if (dev->disconnected) { /* We cannot tell the device to sleep * once it has been unplugged. */ - if (dvb->fe[0]) + if (dvb->fe[0]) { prevent_sleep(&dvb->fe[0]->ops); - if (dvb->fe[1]) + dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED; + } + if (dvb->fe[1]) { prevent_sleep(&dvb->fe[1]->ops); + dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED; + } } /* remove I2C tuner */