[PATCH] drivers/iwlwifi: use dma_zalloc_coherent() for DMA allocation
From: Djalal Harouni <hidden>
Date: 2011-12-21 00:18:50
Also in:
netdev
Subsystem:
networking drivers (wireless), the rest · Maintainers:
Johannes Berg, Linus Torvalds
Replace dma_alloc_coherent()+memset() with the new dma_zalloc_coherent() Signed-off-by: Djalal Harouni <redacted> --- drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | 10 ++++------ 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 ce91898..4363da7 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;
--
1.7.1