[dpdk-dev] mbuf: cleanup rte_pktmbuf_lastseg(), remove useless variable
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Commit Message
I would add this too
- } else if (rte_atomic16_add_return(&m->refcnt_atomic, -1) == 0)
Should be :
+ } else if (likely(rte_mbuf_refcnt_update(m, -1) == 0)) {
Hanoh
-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Ilya Matveychikov
Sent: Tuesday, November 14, 2017 3:45 PM
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH] mbuf: cleanup rte_pktmbuf_lastseg(), remove useless variable
Fixes: af75078fece3 ("first public release")
Cc: intel.com
Signed-off-by: Ilya V. Matveychikov <matvejchikov@gmail.com>
---
There is no reason to have local variable m2 or am I wrong?
lib/librte_mbuf/rte_mbuf.h | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
Comments
> On Nov 15, 2017, at 12:32 AM, Hanoch Haim (hhaim) <hhaim@cisco.com> wrote:
>
> I would add this too
>
> - } else if (rte_atomic16_add_return(&m->refcnt_atomic, -1) == 0)
>
> Should be :
>
> + } else if (likely(rte_mbuf_refcnt_update(m, -1) == 0)) {
>
>
> Hanoh
>
Why not to send the separate patch for the change?
@@ -1538,12 +1538,10 @@ static inline uint16_t rte_pktmbuf_tailroom(const struct rte_mbuf *m)
*/
static inline struct rte_mbuf *rte_pktmbuf_lastseg(struct rte_mbuf *m) {
- struct rte_mbuf *m2 = (struct rte_mbuf *)m;
-
__rte_mbuf_sanity_check(m, 1);
- while (m2->next != NULL)
- m2 = m2->next;
- return m2;
+ while (m->next != NULL)
+ m = m->next;
+ return m;
}
/**
--
2.15.0