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authorLarry Finger <Larry.Finger@lwfinger.net>2012-12-27 20:37:32 +0400
committerJohn W. Linville <linville@tuxdriver.com>2013-01-02 23:38:35 +0400
commit3f009c78bb7284eb727dae6e7f74ae493add7b89 (patch)
treebe878a321f99eeb185a454d341b3ec40c599927d /drivers/net
parentf6aa93ad039910ea23d65add0a19ce0c896ea9b3 (diff)
downloadlinux-3f009c78bb7284eb727dae6e7f74ae493add7b89.tar.xz
rtlwifi: rtl8723ae: Fix warning for unchecked pci_map_single() call
Kernel 3.8 implements checking of all DMA mapping calls and issues a WARNING for the first it finds that is not checked. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/rtlwifi/rtl8723ae/trx.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c b/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c
index 87331d826d73..a313be8c21d2 100644
--- a/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c
@@ -387,6 +387,11 @@ void rtl8723ae_tx_fill_desc(struct ieee80211_hw *hw,
PCI_DMA_TODEVICE);
u8 bw_40 = 0;
+ if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+ "DMA mapping error");
+ return;
+ }
if (mac->opmode == NL80211_IFTYPE_STATION) {
bw_40 = mac->bw_40;
} else if (mac->opmode == NL80211_IFTYPE_AP ||
@@ -542,6 +547,11 @@ void rtl8723ae_tx_fill_cmddesc(struct ieee80211_hw *hw,
PCI_DMA_TODEVICE);
__le16 fc = hdr->frame_control;
+ if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
+ RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
+ "DMA mapping error");
+ return;
+ }
CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
if (firstseg)