Author: Nicolas Palix <npalix@diku.dk> The macro container_of from kernel.h performs the same pointer arithmetic operation. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ type T; expression mptr; expression member; @@ – (void *)((char *)mptr – offsetof(T, member)) + container_of(mptr, T, member) // Signed-off-by: Nicolas Palix Signed-off-by: Paul Mundt — arch/sh/kernel/cpu/irq/ipr.c …