sock_diag: fix filter code sent to userspace
Filters need to be translated to real BPF code for userland, like SO_GETFILTER.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/filter.h b/include/linux/filter.h
index c050dcc..f65f5a6 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -46,6 +46,7 @@
extern int sk_detach_filter(struct sock *sk);
extern int sk_chk_filter(struct sock_filter *filter, unsigned int flen);
extern int sk_get_filter(struct sock *sk, struct sock_filter __user *filter, unsigned len);
+extern void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to);
#ifdef CONFIG_BPF_JIT
#include <stdarg.h>