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Subject: [media] dvb_usb_lmedm04: don't crash if firmware is not loaded
Author:  Malcolm Priestley <[email protected]>
Date:    Thu Aug 2 19:31:53 2012 -0300

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 <[email protected]>
Tested-by: Antti Palosaari <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

 drivers/media/dvb/dvb-usb/lmedm04.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

---

http://git.linuxtv.org/media_tree.git?a=commitdiff;h=b50b3e0732845563626c8e40f8b6eed92172cd10

diff --git a/drivers/media/dvb/dvb-usb/lmedm04.c 
b/drivers/media/dvb/dvb-usb/lmedm04.c
index 25d1031..26ba5bc 100644
--- a/drivers/media/dvb/dvb-usb/lmedm04.c
+++ b/drivers/media/dvb/dvb-usb/lmedm04.c
@@ -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;

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