batman-adv/patches/0005-batman-adv-compat-Add-atomic-mc_fowarding-support-fo.patch

   1 From: Sven Eckelmann <sven@narfation.org>
   2 Date: Fri, 15 Apr 2022 15:12:45 +0200
   3 Subject: batman-adv: compat: Add atomic mc_fowarding support for stable kernels
   4
   5 Fixes: 56db7c0540e7 ("batman-adv: make mc_forwarding atomic")
   6 Signed-off-by: Sven Eckelmann <sven@narfation.org>
   7 Origin: upstream, https://git.open-mesh.org/batman-adv.git/commit/350adcaec82fbaa358a2406343b6130ac8dad126
   8
   9 --- a/net/batman-adv/multicast.c
  10 +++ b/net/batman-adv/multicast.c
  11 @@ -134,7 +134,11 @@ static u8 batadv_mcast_mla_rtr_flags_sof
  12  {
  13         struct inet6_dev *in6_dev = __in6_dev_get(dev);
  14
  15 -#if LINUX_VERSION_IS_GEQ(5, 18, 0) // UGLY_HACK_NEW
  16 +#if (LINUX_VERSION_IS_GEQ(5, 4, 189) && LINUX_VERSION_IS_LESS(5, 5, 0)) || /* UGLY_HACK */ \
  17 +    (LINUX_VERSION_IS_GEQ(5, 10, 111) && LINUX_VERSION_IS_LESS(5, 11, 0)) || /* UGLY_HACK */ \
  18 +    (LINUX_VERSION_IS_GEQ(5, 15, 34) && LINUX_VERSION_IS_LESS(5, 16, 0)) || /* UGLY_HACK */ \
  19 +    (LINUX_VERSION_IS_GEQ(5, 16, 20) && LINUX_VERSION_IS_LESS(5, 17, 0)) || /* UGLY_HACK */ \
  20 +    LINUX_VERSION_IS_GEQ(5, 17, 3) // UGLY_HACK_NEW
  21         if (in6_dev && atomic_read(&in6_dev->cnf.mc_forwarding))
  22  #else // UGLY_HACK_OLD
  23         if (in6_dev && in6_dev->cnf.mc_forwarding)