From 0a67fe458471cc13adeb0e10694e10674bf383eb Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Mon, 13 Aug 2012 14:42:17 -0300 Subject: [PATCH] [media] lmedm04: fix data usage past the end of the buffer On Mon, 2012-08-13 at 19:58 +0300, Dan Carpenter wrote: > Hello Mauro Carvalho Chehab, > > The patch db6651a9ebb3: "[media] lmedm04: fix build" from Aug 12, > 2012, leads to the following warning: > drivers/media/dvb/dvb-usb-v2/lmedm04.c:769 lme2510_download_firmware() > error: usb_control_msg() 'data' too small (128 vs 265) > > 737 data = kzalloc(128, GFP_KERNEL); > ^^^ > data is 128 bytes. Control isn't used, so remove it. Reported-by: Dan Carpenter Signed-off-by: Malcolm Priestley Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb-v2/lmedm04.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/media/dvb/dvb-usb-v2/lmedm04.c b/drivers/media/dvb/dvb-usb-v2/lmedm04.c index c6bc1b8b58b8..c41d9d9ec7b5 100644 --- a/drivers/media/dvb/dvb-usb-v2/lmedm04.c +++ b/drivers/media/dvb/dvb-usb-v2/lmedm04.c @@ -766,10 +766,6 @@ static int lme2510_download_firmware(struct dvb_usb_device *d, } } - usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), - 0x06, 0x80, 0x0200, 0x00, data, 0x0109, 1000); - - data[0] = 0x8a; len_in = 1; msleep(2000); -- 2.20.1