net: fman: Use physical address for userspace interfaces
Before 262f2b78 ("net: fman: Map the base address once"), the physical address of the MAC was exposed to userspace in two places: via sysfs and via SIOCGIFMAP. While this is not best practice, it is an external ABI which is in use by userspace software. The aforementioned commit inadvertently modified these addresses and made them virtual. This constitutes and ABI break. Additionally, it leaks the kernel's memory layout to userspace. Partially revert that commit, reintroducing the resource back into struct mac_device, while keeping the intended changes (the rework of the address mapping). Fixes: 262f2b78 ("net: fman: Map the base address once") Reported-by:Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
Sean Anderson <sean.anderson@seco.com> Acked-by:
Madalin Bucur <madalin.bucur@oss.nxp.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
f8127476
Please register or sign in to comment