diff mbox

[v12,02/13] net/compat.c,linux/filter.h: share compat_sock_fprog

Message ID 1330559620-23543-2-git-send-email-wad@chromium.org
State Not Applicable, archived
Delegated to: David Miller
Headers show

Commit Message

Will Drewry Feb. 29, 2012, 11:53 p.m. UTC 
Any other users of bpf_*_filter that take a struct sock_fprog from
userspace will need to be able to also accept a compat_sock_fprog
if the arch supports compat calls.  This change let's the existing
compat_sock_fprog be shared.

Signed-off-by: Will Drewry <wad@chromium.org>

v11: introduction
---
 include/linux/filter.h |   11 +++++++++++
 net/compat.c           |    8 --------
 2 files changed, 11 insertions(+), 8 deletions(-)
diff mbox

Patch

diff --git a/include/linux/filter.h b/include/linux/filter.h
index bdd02f9..f052f5c 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -10,6 +10,7 @@ 
 
 #ifdef __KERNEL__
 #include <linux/atomic.h>
+#include <linux/compat.h>
 #endif
 
 /*
@@ -135,6 +136,16 @@  struct sock_fprog {	/* Required for SO_ATTACH_FILTER. */
 
 #ifdef __KERNEL__
 
+#ifdef CONFIG_COMPAT
+/*
+ * A struct sock_filter is architecture independent.
+ */
+struct compat_sock_fprog {
+	u16		len;
+	compat_uptr_t	filter;		/* struct sock_filter * */
+};
+#endif
+
 struct sk_buff;
 struct sock;
 
diff --git a/net/compat.c b/net/compat.c
index 73bf0e0..5ba1bdc 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -328,14 +328,6 @@  void scm_detach_fds_compat(struct msghdr *kmsg, struct scm_cookie *scm)
 	__scm_destroy(scm);
 }
 
-/*
- * A struct sock_filter is architecture independent.
- */
-struct compat_sock_fprog {
-	u16		len;
-	compat_uptr_t	filter;		/* struct sock_filter * */
-};
-
 static int do_set_attach_filter(struct socket *sock, int level, int optname,
 				char __user *optval, unsigned int optlen)
 {