Commit 0aec51c8 authored by Gerrit Renker's avatar Gerrit Renker Committed by David S. Miller
Browse files

[DCCP]: Make dccp_delta_seqno return signed numbers 

Problem:
parent 6b811d43

net/dccp/dccp.h

+5 −2
Original line number Diff line number Diff line
@@ -113,9 +113,12 @@ static inline void dccp_inc_seqno(u64 *seqno) 
	*seqno = ADD48(*seqno, 1);

}



static inline u64 dccp_delta_seqno(u64 seqno1, u64 seqno2)

/* signed mod-2^48 distance: pos. if seqno1 < seqno2, neg. if seqno1 > seqno2 */

static inline s64 dccp_delta_seqno(const u64 seqno1, const u64 seqno2)

{

	return ((seqno2 << 16) - (seqno1 << 16)) >> 16;

	u64 delta = SUB48(seqno2, seqno1);



	return TO_SIGNED48(delta);

}



/* is seq1 < seq2 ? */