Commit 59753ce8 authored by Alexander Lobakin's avatar Alexander Lobakin Committed by David S. Miller
Browse files

ethernet: constify eth_get_headlen()'s data argument 



It's used only for flow dissection, which now takes constant data
pointers.

Signed-off-by: default avatarAlexander Lobakin <alobakin@pm.me>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 805a25f3

include/linux/etherdevice.h

+1 −1
Original line number Diff line number Diff line
@@ -29,7 +29,7 @@ struct device; 
int eth_platform_get_mac_address(struct device *dev, u8 *mac_addr);

unsigned char *arch_get_platform_mac_address(void);

int nvmem_get_mac_address(struct device *dev, void *addrbuf);

u32 eth_get_headlen(const struct net_device *dev, void *data, unsigned int len);

u32 eth_get_headlen(const struct net_device *dev, const void *data, u32 len);

__be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev);

extern const struct header_ops eth_header_ops;

net/ethernet/eth.c

+1 −1
Original line number Diff line number Diff line
@@ -122,7 +122,7 @@ EXPORT_SYMBOL(eth_header); 
 * Make a best effort attempt to pull the length for all of the headers for

 * a given frame in a linear buffer.

 */

u32 eth_get_headlen(const struct net_device *dev, void *data, unsigned int len)

u32 eth_get_headlen(const struct net_device *dev, const void *data, u32 len)

{

	const unsigned int flags = FLOW_DISSECTOR_F_PARSE_1ST_FRAG;

	const struct ethhdr *eth = (const struct ethhdr *)data;