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[media] media: drx39xyj driver change to check fe exit flag from release

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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>
This commit is contained in:
Shuah Khan 2014-07-12 13:44:14 -03:00 committed by Mauro Carvalho Chehab
parent f68e35af99
commit 5b22b1a4f7
1 changed files with 3 additions and 1 deletions
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4
drivers/media/dvb-frontends/drx39xyj/drxj.c
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@ -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);