[PATCH 3.8 5/5 V2] rtlwifi: rtl8723ae: Fix warning for unchecked pci_map_single() call
From: Larry Finger <hidden>
Date: 2012-12-27 16:37:56
Also in:
linux-wireless
Subsystem:
networking drivers (wireless), the rest · Maintainers:
Johannes Berg, Linus Torvalds
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 <redacted> --- drivers/net/wireless/rtlwifi/rtl8723ae/trx.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) No change in V2
diff --git a/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c b/drivers/net/wireless/rtlwifi/rtl8723ae/trx.c
index 87331d8..7ddd517 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 +548,11 @@ 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)
--
1.7.10.4