diff options
Diffstat (limited to 'drivers/media/dvb')
| -rw-r--r-- | drivers/media/dvb/frontends/drxk_hard.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/drxk_hard.c b/drivers/media/dvb/frontends/drxk_hard.c index c4b35a5638cd..89db37835872 100644 --- a/drivers/media/dvb/frontends/drxk_hard.c +++ b/drivers/media/dvb/frontends/drxk_hard.c @@ -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; |