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mctp: Add helper for address match checking

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Currently, we have a couple of paths that check that an EID matches, or
the match value is MCTP_ADDR_ANY.

Rather than open coding this, add a little helper.

Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jeremy Kerr
2022-02-09 12:05:55 +08:00
committed by David S. Miller
parent c575521462
commit 8069b22d65
2 changed files with 8 additions and 5 deletions
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5
include/net/mctp.h
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@@ -45,6 +45,11 @@ static inline bool mctp_address_ok(mctp_eid_t eid)
return eid >= 8 && eid < 255;
}
static inline bool mctp_address_matches(mctp_eid_t match, mctp_eid_t eid)
{
return match == eid || match == MCTP_ADDR_ANY;
}
static inline struct mctp_hdr *mctp_hdr(struct sk_buff *skb)
{
return (struct mctp_hdr *)skb_network_header(skb);