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rtlwifi: use pci_zalloc_consistent 

Remove the now unnecessary memset too.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Chaoming Li <chaoming_li@realsil.com.cn>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2014-08-08 14:24:44 -07:00 committed by Linus Torvalds
parent 504e3b4f5a
commit 8ac41b9dc7
1 changed files with 5 additions and 12 deletions
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17
drivers/net/wireless/rtlwifi/pci.c
View File

@ -1092,16 +1092,14 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw,
u32 nextdescaddress;
int i;
ring = pci_alloc_consistent(rtlpci->pdev,
sizeof(*ring) * entries, &dma);
ring = pci_zalloc_consistent(rtlpci->pdev, sizeof(*ring) * entries,
&dma);
if (!ring || (unsigned long)ring & 0xFF) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"Cannot allocate TX ring (prio = %d)\n", prio);
return -ENOMEM;
}
memset(ring, 0, sizeof(*ring) * entries);
rtlpci->tx_ring[prio].desc = ring;
rtlpci->tx_ring[prio].dma = dma;
rtlpci->tx_ring[prio].idx = 0;
@ -1139,10 +1137,9 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw)
for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE;
rx_queue_idx++) {
rtlpci->rx_ring[rx_queue_idx].desc =
pci_alloc_consistent(rtlpci->pdev,
sizeof(*rtlpci->rx_ring[rx_queue_idx].
desc) * rtlpci->rxringcount,
&rtlpci->rx_ring[rx_queue_idx].dma);
pci_zalloc_consistent(rtlpci->pdev,
sizeof(*rtlpci->rx_ring[rx_queue_idx].desc) * rtlpci->rxringcount,
&rtlpci->rx_ring[rx_queue_idx].dma);
if (!rtlpci->rx_ring[rx_queue_idx].desc ||
(unsigned long)rtlpci->rx_ring[rx_queue_idx].desc & 0xFF) {
@ -1151,10 +1148,6 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw)
return -ENOMEM;
}
memset(rtlpci->rx_ring[rx_queue_idx].desc, 0,
sizeof(*rtlpci->rx_ring[rx_queue_idx].desc) *
rtlpci->rxringcount);
rtlpci->rx_ring[rx_queue_idx].idx = 0;
/* If amsdu_8k is disabled, set buffersize to 4096. This