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| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-04-14 10:57:12 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-04-14 10:57:12 +0200 |
| commit | 0e63eafa2daf57bee7808ffae27720347d9d0652 (patch) | |
| tree | dc17aac4297345c03ddc716e143fa826194b4ae3 | |
| parent | 3a0408d483f08c3a93da2875c2d0403392d4be49 (diff) | |
compat: udp_tunnel: force cast sk_data_ready
Reference: https://lists.zx2c4.com/pipermail/wireguard/2019-April/004081.html
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
| -rw-r--r-- | src/compat/udp_tunnel/udp_tunnel.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/compat/udp_tunnel/udp_tunnel.c b/src/compat/udp_tunnel/udp_tunnel.c index 6afb11d..dc47d61 100644 --- a/src/compat/udp_tunnel/udp_tunnel.c +++ b/src/compat/udp_tunnel/udp_tunnel.c @@ -84,7 +84,9 @@ void setup_udp_tunnel_sock(struct net *net, struct socket *sock, inet_sk(sock->sk)->mc_loop = 0; encap_rcv = cfg->encap_rcv; rcu_assign_sk_user_data(sock->sk, cfg->sk_user_data); - sock->sk->sk_data_ready = our_sk_data_ready; + /* We force the cast in this awful way, due to various Android kernels + * backporting things stupidly. */ + *(void **)&sock->sk->sk_data_ready = (void *)our_sk_data_ready; } #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0) |