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[media] dvb_usb_v2: fix error handling for .tuner_attach()

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fe was not set NULL after it was destroyed in tuner attach fail
error case. Due to that it was destroyed again and Kernel oopsed.

Reported-by: Oliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-09-21 23:23:49 -03:00 committed by Mauro Carvalho Chehab
parent 132f56fb3c
commit 2a858486e0
1 changed files with 3 additions and 1 deletions
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4
drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
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@ -612,8 +612,10 @@ err_dvb_unregister_frontend:
err_dvb_frontend_detach:
for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
if (adap->fe[i])
if (adap->fe[i]) {
dvb_frontend_detach(adap->fe[i]);
adap->fe[i] = NULL;
}
}
err: