Commit 67cb9366 authored by Daniel Borkmann's avatar Daniel Borkmann Committed by David S. Miller
Browse files

ktime: add ktime_after and ktime_before helper 



Add two minimal helper functions analogous to time_before() and
time_after() that will later on both be needed by SCTP code.

Signed-off-by: default avatarDaniel Borkmann <dborkman@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9181a6bd

include/linux/ktime.h

+24 −0
Original line number Diff line number Diff line
@@ -304,6 +304,30 @@ static inline int ktime_compare(const ktime_t cmp1, const ktime_t cmp2) 
	return 0;

}



/**

 * ktime_after - Compare if a ktime_t value is bigger than another one.

 * @cmp1:	comparable1

 * @cmp2:	comparable2

 *

 * Return: true if cmp1 happened after cmp2.

 */

static inline bool ktime_after(const ktime_t cmp1, const ktime_t cmp2)

{

	return ktime_compare(cmp1, cmp2) > 0;

}



/**

 * ktime_before - Compare if a ktime_t value is smaller than another one.

 * @cmp1:	comparable1

 * @cmp2:	comparable2

 *

 * Return: true if cmp1 happened before cmp2.

 */

static inline bool ktime_before(const ktime_t cmp1, const ktime_t cmp2)

{

	return ktime_compare(cmp1, cmp2) < 0;

}



static inline s64 ktime_to_us(const ktime_t kt)

{

	struct timeval tv = ktime_to_timeval(kt);

net/sctp/sm_make_chunk.c

+1 −1
Original line number Diff line number Diff line
@@ -1782,7 +1782,7 @@ struct sctp_association *sctp_unpack_cookie( 
	else

		kt = ktime_get();



	if (!asoc && ktime_compare(bear_cookie->expiration, kt) < 0) {

	if (!asoc && ktime_before(bear_cookie->expiration, kt)) {

		/*

		 * Section 3.3.10.3 Stale Cookie Error (3)

		 *