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sock_diag: fix filter code sent to userspace

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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>
This commit is contained in:
Nicolas Dichtel
2013-06-05 15:30:55 +02:00
committed by David S. Miller
parent 92bb73ea2c
commit ed13998c31
3 changed files with 9 additions and 3 deletions
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include/linux/filter.h
+1
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@@ -46,6 +46,7 @@ extern int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk);
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>