usb: atm: Use struct_size() helper
authorGustavo A. R. Silva <gustavoars@kernel.org>
Tue, 28 Sep 2021 23:39:35 +0000 (18:39 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 5 Oct 2021 10:50:22 +0000 (12:50 +0200)
commitb626871a7cda136fc88c11c486c2f87df59d0dee
tree15a4986d0437afa35e2a407707dbb6d6824e9774
parentc1baf6c591e6901d3422d7a0d0d32ccf29883edf
usb: atm: Use struct_size() helper

Make use of the struct_size() helper instead of an open-coded version,
in order to avoid any potential type mistakes or integer overflows that,
in the worse scenario, could lead to heap overflows.

Link: https://github.com/KSPP/linux/issues/160
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20210928233935.GA299525@embeddedor
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/atm/usbatm.c