diff mbox

[2/5] dvb_usb_v2: fix error handling for .tuner_attach()

Message ID 1348332700-10267-2-git-send-email-crope@iki.fi (mailing list archive)
State New, archived
Headers show

Commit Message

Antti Palosaari Sept. 22, 2012, 4:51 p.m. UTC 
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>
---
 drivers/media/usb/dvb-usb-v2/dvb_usb_core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
index f990159..9859d2a 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
@@ -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: