From: YueHaibing <yuehaib...@huawei.com> Date: Mon, 10 Dec 2018 19:34:43 +0800
> Fix follwing gcc warning: > > drivers/net/ieee802154/ca8210.c:730:10: warning: > comparison is always false due to limited range of data type [-Wtype-limits] > > the variable 'len' is of type u8 and cannot greater than > CA8210_SPI_BUF_SIZE , which is 256. > > Signed-off-by: YueHaibing <yuehaib...@huawei.com> Then bug is the variable type here. We are reading a u8 from buf[], then adding 2, which can overflow. 'len' should be an unsigned int or similar.
