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>
parent
dac06b32
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