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Groups > linux.kernel > #1624691

[PATCH 02/25] net: mvneta: Improve two size determinations in mvneta_init()

From SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups linux.kernel
Subject [PATCH 02/25] net: mvneta: Improve two size determinations in mvneta_init()
Date 2017-04-17 17:20 +0200
Message-ID <txgBA-2f8-7@gated-at.bofh.it> (permalink)
References <txgrT-2bp-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 16 Apr 2017 21:45:38 +0200

Replace the specification of two data structures by pointer dereferences
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/net/ethernet/marvell/mvneta.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 46fa74e93814..9c9eed5a8e28 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3992,8 +3992,7 @@ static int mvneta_init(struct device *dev, struct mvneta_port *pp)
 	/* Set port default values */
 	mvneta_defaults_set(pp);
 
-	pp->txqs = devm_kcalloc(dev, txq_number, sizeof(struct mvneta_tx_queue),
-				GFP_KERNEL);
+	pp->txqs = devm_kcalloc(dev, txq_number, sizeof(*pp->txqs), GFP_KERNEL);
 	if (!pp->txqs)
 		return -ENOMEM;
 
@@ -4005,8 +4004,7 @@ static int mvneta_init(struct device *dev, struct mvneta_port *pp)
 		txq->done_pkts_coal = MVNETA_TXDONE_COAL_PKTS;
 	}
 
-	pp->rxqs = devm_kcalloc(dev, rxq_number, sizeof(struct mvneta_rx_queue),
-				GFP_KERNEL);
+	pp->rxqs = devm_kcalloc(dev, rxq_number, sizeof(*pp->rxqs), GFP_KERNEL);
 	if (!pp->rxqs)
 		return -ENOMEM;
 
-- 
2.12.2

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Thread

[PATCH 00/25] Ethernet-Marvell: Fine-tuning for several function  implementations SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:10 +0200
  [PATCH 02/25] net: mvneta: Improve two size determinations in  mvneta_init() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:20 +0200
  [PATCH 03/25] net: mvneta: Use kmalloc_array() in mvneta_txq_init() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:20 +0200
  [PATCH 08/25] net: mvpp2: Improve another size determination in  mvpp2_port_probe() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:20 +0200
  [PATCH 05/25] net: mvpp2: Use kmalloc_array() in mvpp2_txq_init() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:20 +0200
  [PATCH 04/25] net: mvneta: Adjust six checks for null pointers SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:20 +0200
  [PATCH 06/25] net: mvpp2: Improve two size determinations in  mvpp2_probe() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:20 +0200
  [PATCH 07/25] net: mvpp2: Improve another size determination in  mvpp2_init() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:20 +0200
  [PATCH 09/25] net: mvpp2: Improve another size determination in  mvpp2_bm_init() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:20 +0200
  [PATCH 19/25] net: mvpp2: Rename a jump label in mvpp2_prs_vlan_add() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:30 +0200
  [PATCH 17/25] net: mvpp2: Rename a jump label in mvpp2_txq_init() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:30 +0200
  [PATCH 12/25] net: mvpp2: Improve a size determination in two  functions SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:30 +0200
  [PATCH 18/25] net: mvpp2: Rename a jump label in  mvpp2_prs_double_vlan_add() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:30 +0200
  [PATCH 11/25] net: mvpp2: Improve 27 size determinations SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:30 +0200
  [PATCH 10/25] net: mvpp2: Improve another size determination in  mvpp2_prs_default_init() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:30 +0200
  [PATCH 13/25] net: mvpp2: Fix a jump label position in mvpp2_rx() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:30 +0200
  [PATCH 14/25] net: mvpp2: Rename a jump label in two functions SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:30 +0200
  [PATCH 15/25] net: mvpp2: Adjust three error messages SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:30 +0200
  [PATCH 16/25] net: mvpp2: Rename a jump label in  mvpp2_tx_frag_process() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:30 +0200
  [PATCH 22/25] net: pxa168_eth: Adjust four checks for null pointers SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:40 +0200
  [PATCH 21/25] net: pxa168_eth: Use kcalloc() in two functions SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:40 +0200
  [PATCH 24/25] skge: Adjust a null pointer check in skge_down() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:40 +0200
  [PATCH 20/25] net: mvpp2: Adjust a null pointer check in  mvpp2_egress_enable() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:40 +0200
  [PATCH 23/25] skge: Use seq_puts() in skge_debug_show() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:40 +0200
  [PATCH 25/25] sky2: Use seq_puts() in sky2_debug_show() SF Markus Elfring <elfring@users.sourceforge.net> - 2017-04-17 17:40 +0200
  Re: [PATCH 00/25] Ethernet-Marvell: Fine-tuning for several  function implementations David Miller <davem@davemloft.net> - 2017-04-18 20:10 +0200

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