From: Shuah Khan Date: Sat, 12 Jul 2014 16:44:14 +0000 (-0300) Subject: [media] media: drx39xyj driver change to check fe exit flag from release X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5b22b1a4f78d7ba29528fdc70b0c699112cff16e;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git [media] media: drx39xyj driver change to check fe exit flag from release Change drx39xyj_release() to check fe exit flag to detect the device disconnect state and avoid accessing the device after it has been removed. Signed-off-by: Shuah Khan Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c index 3795f65564f8..7007e0b507c0 100644 --- a/drivers/media/dvb-frontends/drx39xyj/drxj.c +++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c @@ -12238,7 +12238,9 @@ static void drx39xxj_release(struct dvb_frontend *fe) struct drx39xxj_state *state = fe->demodulator_priv; struct drx_demod_instance *demod = state->demod; - drxj_close(demod); + /* if device is removed don't access it */ + if (fe->exit != DVB_FE_DEVICE_REMOVED) + drxj_close(demod); kfree(demod->my_ext_attr); kfree(demod->my_common_attr);