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authorAlexander Lobakin <alobakin@pm.me>2021-03-14 11:11:14 +0000
committerDavid S. Miller <davem@davemloft.net>2021-03-14 14:46:32 -0700
commite3305138da47f0ae2241e5daa18af276e1e54457 (patch)
tree49dc29cc415614d252f1c141cf64204057e5a06b /include/linux/skbuff.h
parentdac06b32c705dc8824479b03eee826b4f6615ab2 (diff)
skbuff: make __skb_header_pointer()'s data argument const
The function never modifies the input buffer, so 'data' argument can be marked as const. This implies one harmless cast-away. Signed-off-by: Alexander Lobakin <alobakin@pm.me> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 483e89348f78..d6ea3dc3eddb 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3678,11 +3678,11 @@ __wsum skb_checksum(const struct sk_buff *skb, int offset, int len,
__wsum csum);
static inline void * __must_check
-__skb_header_pointer(const struct sk_buff *skb, int offset,
- int len, void *data, int hlen, void *buffer)
+__skb_header_pointer(const struct sk_buff *skb, int offset, int len,
+ const void *data, int hlen, void *buffer)
{
if (hlen - offset >= len)
- return data + offset;
+ return (void *)data + offset;
if (!skb ||
skb_copy_bits(skb, offset, buffer, len) < 0)