net: skbuff: const-ify casts in skb_queue_* functions
We should const-ify comparisons on skb_queue_* inline helper
functions as their parameters are const as well, so lets not
drop that.
Suggested-by: Brad Spengler <spender@grsecurity.net>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 956e11a..d97f2d0 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -827,7 +827,7 @@
*/
static inline int skb_queue_empty(const struct sk_buff_head *list)
{
- return list->next == (struct sk_buff *)list;
+ return list->next == (const struct sk_buff *) list;
}
/**
@@ -840,7 +840,7 @@
static inline bool skb_queue_is_last(const struct sk_buff_head *list,
const struct sk_buff *skb)
{
- return skb->next == (struct sk_buff *)list;
+ return skb->next == (const struct sk_buff *) list;
}
/**
@@ -853,7 +853,7 @@
static inline bool skb_queue_is_first(const struct sk_buff_head *list,
const struct sk_buff *skb)
{
- return skb->prev == (struct sk_buff *)list;
+ return skb->prev == (const struct sk_buff *) list;
}
/**