From 62ab0812137ec4f9884dd7de346238841ac03283 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 6 Dec 2010 20:50:09 +0000
Subject: filter: constify sk_run_filter()
sk_run_filter() doesnt write on skb, change its prototype to reflect
this.
Fix two af_packet comments.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/core/filter.c | 7 ++++---
net/core/timestamping.c | 2 +-
2 files changed, 5 insertions(+), 4 deletions(-)
(limited to 'net/core')
diff --git a/net/core/filter.c b/net/core/filter.c
index ac4920a87be5..25500f16a18a 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -88,7 +88,7 @@ enum {
};
/* No hurry in this branch */
-static void *__load_pointer(struct sk_buff *skb, int k)
+static void *__load_pointer(const struct sk_buff *skb, int k)
{
u8 *ptr = NULL;
@@ -102,7 +102,7 @@ static void *__load_pointer(struct sk_buff *skb, int k)
return NULL;
}
-static inline void *load_pointer(struct sk_buff *skb, int k,
+static inline void *load_pointer(const struct sk_buff *skb, int k,
unsigned int size, void *buffer)
{
if (k >= 0)
@@ -160,7 +160,8 @@ EXPORT_SYMBOL(sk_filter);
* and last instruction guaranteed to be a RET, we dont need to check
* flen. (We used to pass to this function the length of filter)
*/
-unsigned int sk_run_filter(struct sk_buff *skb, const struct sock_filter *fentry)
+unsigned int sk_run_filter(const struct sk_buff *skb,
+ const struct sock_filter *fentry)
{
void *ptr;
u32 A = 0; /* Accumulator */
diff --git a/net/core/timestamping.c b/net/core/timestamping.c
index dac7ed687f60..b124d28ff1c8 100644
--- a/net/core/timestamping.c
+++ b/net/core/timestamping.c
@@ -26,7 +26,7 @@ static struct sock_filter ptp_filter[] = {
PTP_FILTER
};
-static unsigned int classify(struct sk_buff *skb)
+static unsigned int classify(const struct sk_buff *skb)
{
if (likely(skb->dev &&
skb->dev->phydev &&
--
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