From 7ca98fa234afa096ec2a5e7195ad2d32555cca86 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 20 Mar 2009 05:43:14 +0000 Subject: [PATCH] snap: use const for descriptor Protocols should be able to use constant value for the descriptor. Minor whitespace cleanup as well Signed-off-by: Stephen Hemminger Acked-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller --- include/net/psnap.h | 6 +++++- net/802/psnap.c | 6 +++--- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/include/net/psnap.h b/include/net/psnap.h index b2e01cc3fc8..fe456c295b0 100644 --- a/include/net/psnap.h +++ b/include/net/psnap.h @@ -1,7 +1,11 @@ #ifndef _NET_PSNAP_H #define _NET_PSNAP_H -extern struct datalink_proto *register_snap_client(unsigned char *desc, int (*rcvfunc)(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *orig_dev)); +extern struct datalink_proto * +register_snap_client(const unsigned char *desc, + int (*rcvfunc)(struct sk_buff *, struct net_device *, + struct packet_type *, + struct net_device *orig_dev)); extern void unregister_snap_client(struct datalink_proto *proto); #endif diff --git a/net/802/psnap.c b/net/802/psnap.c index bdbffa3cb04..6fea0750662 100644 --- a/net/802/psnap.c +++ b/net/802/psnap.c @@ -29,7 +29,7 @@ static struct llc_sap *snap_sap; /* * Find a snap client by matching the 5 bytes. */ -static struct datalink_proto *find_snap_client(unsigned char *desc) +static struct datalink_proto *find_snap_client(const unsigned char *desc) { struct datalink_proto *proto = NULL, *p; @@ -122,7 +122,7 @@ module_exit(snap_exit); /* * Register SNAP clients. We don't yet use this for IP. */ -struct datalink_proto *register_snap_client(unsigned char *desc, +struct datalink_proto *register_snap_client(const unsigned char *desc, int (*rcvfunc)(struct sk_buff *, struct net_device *, struct packet_type *, @@ -137,7 +137,7 @@ struct datalink_proto *register_snap_client(unsigned char *desc, proto = kmalloc(sizeof(*proto), GFP_ATOMIC); if (proto) { - memcpy(proto->type, desc,5); + memcpy(proto->type, desc, 5); proto->rcvfunc = rcvfunc; proto->header_length = 5 + 3; /* snap + 802.2 */ proto->request = snap_request; -- 2.41.0