e1000e: use dev_kfree_skb_irq() instead of dev_kfree_skb()
authorBruce Allan <bruce.w.allan@intel.com>
Thu, 10 Feb 2011 08:17:21 +0000 (08:17 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Fri, 11 Mar 2011 09:51:58 +0000 (01:51 -0800)
Based on a report and patch originally submitted by Prasanna Panchamukhi.

Use dev_kfree_skb_irq() in e1000_clean_jumbo_rx_irq() since this latter
function is called only in interrupt context.  This avoids "Warning:
kfree_skb on hard IRQ" messages.

Cc: "Prasanna S. Panchamukhi" <prasanna.panchamukhi@riverbed.com>
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/e1000e/netdev.c

index 455d5a1101ed36e7ed50240323dec79898364c4a..c43cdfee6b1bacd34d2c6e18d4ab83c0f740fa1e 100644 (file)
@@ -1322,7 +1322,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
                                /* an error means any chain goes out the window
                                 * too */
                                if (rx_ring->rx_skb_top)
-                                       dev_kfree_skb(rx_ring->rx_skb_top);
+                                       dev_kfree_skb_irq(rx_ring->rx_skb_top);
                                rx_ring->rx_skb_top = NULL;
                                goto next_desc;
                }
@@ -1395,7 +1395,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
                /* eth type trans needs skb->data to point to something */
                if (!pskb_may_pull(skb, ETH_HLEN)) {
                        e_err("pskb_may_pull failed.\n");
-                       dev_kfree_skb(skb);
+                       dev_kfree_skb_irq(skb);
                        goto next_desc;
                }