tree 14cda3eb36796e77510994306c73197f47a5ff16
parent f380f2c4a12e913356bd49f8790ec1063c4fe9f8
author Dan Carpenter <dan.carpenter@oracle.com> 1337326607 +0300
committer John W. Linville <linville@tuxdriver.com> 1337958976 -0400

NFC: potential integer overflow problem in check_crc()

If "buf[0]" is 255 then "len" gets set to 0.  The call to
"crc_ccitt(0xffff, buf, len - 2);" casts the "len - 2" to a high
positive number which is ugly.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>