Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1624692
| From | SF Markus Elfring <elfring@users.sourceforge.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 03/25] net: mvneta: Use kmalloc_array() in mvneta_txq_init() |
| Date | 2017-04-17 17:20 +0200 |
| Message-ID | <txgBz-2f8-1@gated-at.bofh.it> (permalink) |
| References | <txgrT-2bp-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 16 Apr 2017 22:11:22 +0200
A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "kmalloc_array".
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/net/ethernet/marvell/mvneta.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 9c9eed5a8e28..9c2ddd22a86f 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2933,7 +2933,8 @@ static int mvneta_txq_init(struct mvneta_port *pp,
mvreg_write(pp, MVNETA_TXQ_BASE_ADDR_REG(txq->id), txq->descs_phys);
mvreg_write(pp, MVNETA_TXQ_SIZE_REG(txq->id), txq->size);
- txq->tx_skb = kmalloc(txq->size * sizeof(*txq->tx_skb), GFP_KERNEL);
+ txq->tx_skb = kmalloc_array(txq->size, sizeof(*txq->tx_skb),
+ GFP_KERNEL);
if (txq->tx_skb == NULL) {
dma_free_coherent(pp->dev->dev.parent,
txq->size * MVNETA_DESC_ALIGNED_SIZE,
--
2.12.2
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll 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
csiph-web