net/llc: make opt unsigned in llc_ui_setsockopt()
The members of struct llc_sock are unsigned so if we pass a negative value for "opt" it can cause a sign bug. Also it can cause an integer overflow when we multiply "opt * HZ". CC: stable@kernel.org Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
Showing
想要评论请 注册 或 登录