Return-path: Received: from mail-pa0-f44.google.com ([209.85.220.44]:51669 "EHLO mail-pa0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753284Ab2L0Qh4 (ORCPT ); Thu, 27 Dec 2012 11:37:56 -0500 From: Larry Finger To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, Larry Finger , netdev@vger.kernel.org Subject: [PATCH 3.8 5/5 V2] rtlwifi: rtl8723ae: Fix warning for unchecked pci_map_single() call Date: Thu, 27 Dec 2012 10:37:32 -0600 Message-Id: <1356626252-4058-6-git-send-email-Larry.Finger@lwfinger.net> (sfid-20121227_173806_920059_7296982E) In-Reply-To: <1356626252-4058-1-git-send-email-Larry.Finger@lwfinger.net> References: <1356626252-4058-1-git-send-email-Larry.Finger@lwfinger.net> Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 --- 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