Commit bcd2ebb7 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

[media] drxk: Avoid OOPSes if firmware is corrupted 



Don't read paste the buffer, if the firmware is corrupted.
Instead, print an error message.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent e076c92e

drivers/media/dvb/frontends/drxk_hard.c

+6 −0
Original line number Diff line number Diff line
@@ -1388,6 +1388,12 @@ static int DownloadMicrocode(struct drxk_state *state, 
		BlockCRC = (pSrc[0] << 8) | pSrc[1];

		pSrc += sizeof(u16);

		offset += sizeof(u16);



		if (offset + BlockSize > Length) {

			printk(KERN_ERR "drxk: Firmware is corrupted.\n");

			return -EINVAL;

		}



		status = write_block(state, Address, BlockSize, pSrc);

		if (status < 0)

			break;