i40e/i40evf: fix bug when skb allocation fails
If the skb allocation fails we should not continue using the skb pointer. Breaking out at the point of failure means that at the next RX interrupt the driver will try the allocation again. Change-ID: Iefaad69856ced7418bfd92afe55322676341f82e Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Jim Young <james.m.young@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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@ -1565,8 +1565,11 @@ static int i40e_clean_rx_irq_ps(struct i40e_ring *rx_ring, int budget)
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if (likely(!skb)) {
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skb = netdev_alloc_skb_ip_align(rx_ring->netdev,
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rx_ring->rx_hdr_len);
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if (!skb)
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if (!skb) {
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rx_ring->rx_stats.alloc_buff_failed++;
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break;
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}
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/* initialize queue mapping */
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skb_record_rx_queue(skb, rx_ring->queue_index);
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/* we are reusing so sync this buffer for CPU use */
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@ -1040,8 +1040,11 @@ static int i40e_clean_rx_irq_ps(struct i40e_ring *rx_ring, int budget)
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if (likely(!skb)) {
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skb = netdev_alloc_skb_ip_align(rx_ring->netdev,
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rx_ring->rx_hdr_len);
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if (!skb)
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if (!skb) {
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rx_ring->rx_stats.alloc_buff_failed++;
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break;
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}
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/* initialize queue mapping */
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skb_record_rx_queue(skb, rx_ring->queue_index);
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/* we are reusing so sync this buffer for CPU use */
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