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[media] dvb_usb_lmedm04: don't crash if firmware is not loaded 

There is a missing error handling when no firmware file found.

It seems that this is more of a problem with udev-182+.

However, so far udev-182 is only a problem on first ever plug.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Malcolm Priestley 2012-08-02 19:31:53 -03:00 committed by Mauro Carvalho Chehab
parent 397e972350
commit b50b3e0732
1 changed files with 4 additions and 0 deletions
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4
drivers/media/dvb/dvb-usb/lmedm04.c
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@ -878,6 +878,10 @@ static int lme_firmware_switch(struct usb_device *udev, int cold)
fw_lme = fw_c_rs2000;
ret = request_firmware(&fw, fw_lme, &udev->dev);
dvb_usb_lme2510_firmware = TUNER_RS2000;
if (ret == 0)
break;
info("FRM No Firmware Found - please install");
cold_fw = 0;
break;
default:
fw_lme = fw_c_s7395;