e1000e: use dev_kfree_skb_irq() instead of dev_kfree_skb()

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>

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 455d5a1..c43cdfe 100644 (file)
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -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;
                }