openvswitch: Change the return type for vport_ops.send function hook to int
All usages of the vport_ops struct have the .send field set to dev_queue_xmit or internal_dev_recv. Since most usages are set to dev_queue_xmit, the function hook should match the signature of dev_queue_xmit. The only call to vport_ops->send() is in net/openvswitch/vport.c and it throws away the return value. This mismatched return type breaks forward edge kCFI since the underlying function definition does not match the function hook definition. Reported-by: Dan Carpenter <error27@gmail.com> Link: https://github.com/ClangBuiltLinux/linux/issues/1703 Cc: llvm@lists.linux.dev Signed-off-by: Nathan Huckleberry <nhuck@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Acked-by: Eelco Chaudron <echaudro@redhat.com> Link: https://lore.kernel.org/r/20220913230739.228313-1-nhuck@google.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>
Showing
Please register or sign in to comment