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authorShuah Khan <shuah.kh@samsung.com>2014-07-12 20:44:14 +0400
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-07-26 18:19:21 +0400
commit5b22b1a4f78d7ba29528fdc70b0c699112cff16e (patch)
tree76014cbf4a87bbccca543451e592f86fe97489be /drivers/media/dvb-frontends
parentf68e35af99cfbefdd250e37d4d9ba778d67e253d (diff)
downloadlinux-5b22b1a4f78d7ba29528fdc70b0c699112cff16e.tar.xz
[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 <shuah.kh@samsung.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends')
-rw-r--r--drivers/media/dvb-frontends/drx39xyj/drxj.c4
1 files changed, 3 insertions, 1 deletions
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);