The pre-4.10 kernels must write to batadv_netlink_family after the family was registered. Thus disabling __ro_after_init for now is required on these kernels.

Fixes: c776b4a071d8 ("batman-adv: genetlink: mark families as __ro_after_init") Reported-by: Linus Lüssing linus.luessing@c0d3.blue Signed-off-by: Sven Eckelmann sven@narfation.org --- compat-include/linux/cache.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/compat-include/linux/cache.h b/compat-include/linux/cache.h index 93dff58..7b7069a 100644 --- a/compat-include/linux/cache.h +++ b/compat-include/linux/cache.h @@ -24,11 +24,13 @@ #include <linux/version.h> #include_next <linux/cache.h>

-#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 6, 0) +#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)

-#ifndef __ro_after_init -#define __ro_after_init +/* hack for netlink.c which marked the family ops as ro */ +#ifdef __ro_after_init +#undef __ro_after_init #endif +#define __ro_after_init

#endif /* < KERNEL_VERSION(4, 6, 0) */