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authorDjalal Harouni <tixxdz@opendz.org>2011-12-21 01:21:47 +0100
committerJohn W. Linville <linville@tuxdriver.com>2012-01-04 14:30:41 -0500
commit84c816dad5f5af90699ca12a520f25f9067bad79 (patch)
treedf08104d8db2b8951d2badf774c2f424553973ed /drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
parent3dda07b6f94b8f9777156be1bf37bf707ecea447 (diff)
downloadblackbird-op-linux-84c816dad5f5af90699ca12a520f25f9067bad79.tar.gz
blackbird-op-linux-84c816dad5f5af90699ca12a520f25f9067bad79.zip
drivers/iwlwifi: use dma_zalloc_coherent() for DMA allocation
Replace dma_alloc_coherent()+memset() with the new dma_zalloc_coherent() Signed-off-by: Djalal Harouni <tixxdz@opendz.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans-pcie.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans-pcie.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index 409faea66b81..f7724d7f9287 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -88,18 +88,16 @@ static int iwl_trans_rx_alloc(struct iwl_trans *trans)
return -EINVAL;
/* Allocate the circular buffer of Read Buffer Descriptors (RBDs) */
- rxq->bd = dma_alloc_coherent(dev, sizeof(__le32) * RX_QUEUE_SIZE,
- &rxq->bd_dma, GFP_KERNEL);
+ rxq->bd = dma_zalloc_coherent(dev, sizeof(__le32) * RX_QUEUE_SIZE,
+ &rxq->bd_dma, GFP_KERNEL);
if (!rxq->bd)
goto err_bd;
- memset(rxq->bd, 0, sizeof(__le32) * RX_QUEUE_SIZE);
/*Allocate the driver's pointer to receive buffer status */
- rxq->rb_stts = dma_alloc_coherent(dev, sizeof(*rxq->rb_stts),
- &rxq->rb_stts_dma, GFP_KERNEL);
+ rxq->rb_stts = dma_zalloc_coherent(dev, sizeof(*rxq->rb_stts),
+ &rxq->rb_stts_dma, GFP_KERNEL);
if (!rxq->rb_stts)
goto err_rb_stts;
- memset(rxq->rb_stts, 0, sizeof(*rxq->rb_stts));
return 0;
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