From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Green Subject: [PATCH v3 23/40] rte_ring_generic.h: stack declarations before code Date: Thu, 10 May 2018 10:48:14 +0800 Message-ID: <152592049488.119328.3656444050940158981.stgit@localhost.localdomain> References: <152591991920.119328.14523975619615362920.stgit@localhost.localdomain> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: dev@dpdk.org Return-path: Received: from mail.warmcat.com (mail.warmcat.com [163.172.24.82]) by dpdk.org (Postfix) with ESMTP id 8E6281B851 for ; Thu, 10 May 2018 04:48:18 +0200 (CEST) In-Reply-To: <152591991920.119328.14523975619615362920.stgit@localhost.localdomain> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" /projects/lagopus/src/dpdk/build/include/rte_ring_generic.h: In function '__rte_ring_move_prod_head': /projects/lagopus/src/dpdk/build/include/rte_ring_generic.h:76:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] const uint32_t cons_tail = r->cons.tail; ^~~~~ /projects/lagopus/src/dpdk/build/include/rte_ring_generic.h: In function '__rte_ring_move_cons_head': /projects/lagopus/src/dpdk/build/include/rte_ring_generic.h:147:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] const uint32_t prod_tail = r->prod.tail; Signed-off-by: Andy Green --- lib/librte_ring/rte_ring_generic.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/lib/librte_ring/rte_ring_generic.h b/lib/librte_ring/rte_ring_generic.h index 5b110425f..c2d482bc9 100644 --- a/lib/librte_ring/rte_ring_generic.h +++ b/lib/librte_ring/rte_ring_generic.h @@ -73,14 +73,13 @@ __rte_ring_move_prod_head(struct rte_ring *r, int is_sp, */ rte_smp_rmb(); - const uint32_t cons_tail = r->cons.tail; /* * The subtraction is done between two unsigned 32bits value * (the result is always modulo 32 bits even if we have * *old_head > cons_tail). So 'free_entries' is always between 0 * and capacity (which is < size). */ - *free_entries = (capacity + cons_tail - *old_head); + *free_entries = (capacity + r->cons.tail - *old_head); /* check that we have enough room in ring */ if (unlikely(n > *free_entries)) @@ -144,13 +143,12 @@ __rte_ring_move_cons_head(struct rte_ring *r, int is_sc, */ rte_smp_rmb(); - const uint32_t prod_tail = r->prod.tail; /* The subtraction is done between two unsigned 32bits value * (the result is always modulo 32 bits even if we have * cons_head > prod_tail). So 'entries' is always between 0 * and size(ring)-1. */ - *entries = (prod_tail - *old_head); + *entries = (r->prod.tail - *old_head); /* Set the actual entries for dequeue */ if (n > *entries)