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path: root/drivers/net/wireless/rtlwifi/usb.c
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Diffstat (limited to 'drivers/net/wireless/rtlwifi/usb.c')
-rw-r--r--drivers/net/wireless/rtlwifi/usb.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 29f0969e4ba0..f2ecdeb3a90d 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -210,17 +210,16 @@ static void _usb_writeN_sync(struct rtl_priv *rtlpriv, u32 addr, void *data,
210 u16 index = REALTEK_USB_VENQT_CMD_IDX; 210 u16 index = REALTEK_USB_VENQT_CMD_IDX;
211 int pipe = usb_sndctrlpipe(udev, 0); /* write_out */ 211 int pipe = usb_sndctrlpipe(udev, 0); /* write_out */
212 u8 *buffer; 212 u8 *buffer;
213 dma_addr_t dma_addr;
214 213
215 wvalue = (u16)(addr&0x0000ffff); 214 wvalue = (u16)(addr & 0x0000ffff);
216 buffer = usb_alloc_coherent(udev, (size_t)len, GFP_ATOMIC, &dma_addr); 215 buffer = kmalloc(len, GFP_ATOMIC);
217 if (!buffer) 216 if (!buffer)
218 return; 217 return;
219 memcpy(buffer, data, len); 218 memcpy(buffer, data, len);
220 usb_control_msg(udev, pipe, request, reqtype, wvalue, 219 usb_control_msg(udev, pipe, request, reqtype, wvalue,
221 index, buffer, len, 50); 220 index, buffer, len, 50);
222 221
223 usb_free_coherent(udev, (size_t)len, buffer, dma_addr); 222 kfree(buffer);
224} 223}
225 224
226static void _rtl_usb_io_handler_init(struct device *dev, 225static void _rtl_usb_io_handler_init(struct device *dev,
@@ -640,6 +639,7 @@ static int _rtl_usb_receive(struct ieee80211_hw *hw)
640 RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG, 639 RT_TRACE(rtlpriv, COMP_USB, DBG_EMERG,
641 "Failed to prep_rx_urb!!\n"); 640 "Failed to prep_rx_urb!!\n");
642 err = PTR_ERR(skb); 641 err = PTR_ERR(skb);
642 usb_free_urb(urb);
643 goto err_out; 643 goto err_out;
644 } 644 }
645 645