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path: root/drivers/net/wireless/ath/ar9170/usb.c
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Diffstat (limited to 'drivers/net/wireless/ath/ar9170/usb.c')
-rw-r--r--drivers/net/wireless/ath/ar9170/usb.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index 71579e4d2fce..f752698669d2 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -102,7 +102,7 @@ static void ar9170_usb_tx_urb_complete_free(struct urb *urb)
102 struct ar9170_usb *aru = (struct ar9170_usb *) 102 struct ar9170_usb *aru = (struct ar9170_usb *)
103 usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0)); 103 usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
104 104
105 if (!aru) { 105 if (unlikely(!aru)) {
106 dev_kfree_skb_irq(skb); 106 dev_kfree_skb_irq(skb);
107 return ; 107 return ;
108 } 108 }
@@ -135,8 +135,8 @@ static void ar9170_usb_irq_completed(struct urb *urb)
135 goto resubmit; 135 goto resubmit;
136 } 136 }
137 137
138 print_hex_dump_bytes("ar9170 irq: ", DUMP_PREFIX_OFFSET, 138 ar9170_handle_command_response(&aru->common, urb->transfer_buffer,
139 urb->transfer_buffer, urb->actual_length); 139 urb->actual_length);
140 140
141resubmit: 141resubmit:
142 usb_anchor_urb(urb, &aru->rx_submitted); 142 usb_anchor_urb(urb, &aru->rx_submitted);
@@ -186,16 +186,15 @@ resubmit:
186 186
187 usb_anchor_urb(urb, &aru->rx_submitted); 187 usb_anchor_urb(urb, &aru->rx_submitted);
188 err = usb_submit_urb(urb, GFP_ATOMIC); 188 err = usb_submit_urb(urb, GFP_ATOMIC);
189 if (err) { 189 if (unlikely(err)) {
190 usb_unanchor_urb(urb); 190 usb_unanchor_urb(urb);
191 dev_kfree_skb_irq(skb); 191 goto free;
192 } 192 }
193 193
194 return ; 194 return ;
195 195
196free: 196free:
197 dev_kfree_skb_irq(skb); 197 dev_kfree_skb_irq(skb);
198 return;
199} 198}
200 199
201static int ar9170_usb_prep_rx_urb(struct ar9170_usb *aru, 200static int ar9170_usb_prep_rx_urb(struct ar9170_usb *aru,
@@ -346,7 +345,7 @@ static int ar9170_usb_exec_cmd(struct ar9170 *ar, enum ar9170_cmd cmd,
346 345
347 usb_anchor_urb(urb, &aru->tx_submitted); 346 usb_anchor_urb(urb, &aru->tx_submitted);
348 err = usb_submit_urb(urb, GFP_ATOMIC); 347 err = usb_submit_urb(urb, GFP_ATOMIC);
349 if (err) { 348 if (unlikely(err)) {
350 usb_unanchor_urb(urb); 349 usb_unanchor_urb(urb);
351 usb_free_urb(urb); 350 usb_free_urb(urb);
352 goto err_unbuf; 351 goto err_unbuf;
@@ -427,7 +426,7 @@ static void ar9170_usb_callback_cmd(struct ar9170 *ar, u32 len , void *buffer)
427 unsigned long flags; 426 unsigned long flags;
428 u32 in, out; 427 u32 in, out;
429 428
430 if (!buffer) 429 if (unlikely(!buffer))
431 return ; 430 return ;
432 431
433 in = le32_to_cpup((__le32 *)buffer); 432 in = le32_to_cpup((__le32 *)buffer);
@@ -728,7 +727,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
728 727
729#ifdef CONFIG_PM 728#ifdef CONFIG_PM
730 udev->reset_resume = 1; 729 udev->reset_resume = 1;
731#endif 730#endif /* CONFIG_PM */
732 err = ar9170_usb_reset(aru); 731 err = ar9170_usb_reset(aru);
733 if (err) 732 if (err)
734 goto err_freehw; 733 goto err_freehw;
@@ -813,11 +812,6 @@ static int ar9170_resume(struct usb_interface *intf)
813 usb_unpoison_anchored_urbs(&aru->rx_submitted); 812 usb_unpoison_anchored_urbs(&aru->rx_submitted);
814 usb_unpoison_anchored_urbs(&aru->tx_submitted); 813 usb_unpoison_anchored_urbs(&aru->tx_submitted);
815 814
816 /*
817 * FIXME: firmware upload will fail on resume.
818 * but this is better than a hang!
819 */
820
821 err = ar9170_usb_init_device(aru); 815 err = ar9170_usb_init_device(aru);
822 if (err) 816 if (err)
823 goto err_unrx; 817 goto err_unrx;