• Florian Fainelli's avatar
    net: ethoc: Fix early error paths · de041bc6
    Florian Fainelli authored
    commit 386512d1 upstream.
    
    In case any operation fails before we can successfully go the point
    where we would register a MDIO bus, we would be going to an error label
    which involves unregistering then freeing this yet to be created MDIO
    bus. Update all error paths to go to label free which is the only one
    valid until either the clock is enabled, or the MDIO bus is allocated
    and registered. This fixes kernel oops observed while trying to
    dereference the MDIO bus structure which is not yet allocated.
    
    Fixes: a1702857 ("net: Add support for the OpenCores 10/100 Mbps Ethernet MAC.")
    Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    Signed-off-by: default avatarBen Hutchings <ben@decadent.org.uk>
    de041bc6
ethoc.c 32 KB