From: Bryan Whitehead <[email protected]>
Date: Tue, 5 Mar 2019 14:46:04 -0500
> @@ -2060,8 +2068,19 @@ static int lan743x_rx_process_packet(struct lan743x_rx
> *rx)
> /* packet is available */
> if (first_index == last_index) {
> /* single buffer packet */
> + struct sk_buff *new_skb = NULL;
> int packet_length;
>
> + new_skb = lan743x_rx_allocate_skb(rx);
> + if (!new_skb) {
> + /* failed to allocate next skb.
...
> @@ -2096,8 +2116,9 @@ static int lan743x_rx_process_packet(struct lan743x_rx
> *rx)
> (index <= last_index)) {
> lan743x_rx_release_ring_element(rx,
> index);
> - lan743x_rx_allocate_ring_element(rx,
> - index);
> + new_skb = lan743x_rx_allocate_skb(rx);
> + lan743x_rx_init_ring_element(rx, index,
> + new_skb);
> index = lan743x_rx_next_index(rx,
> index);
> }
> @@ -2106,14 +2127,16 @@ static int lan743x_rx_process_packet(struct
> lan743x_rx *rx)
> (index <= last_index)) {
> lan743x_rx_release_ring_element(rx,
> index);
> - lan743x_rx_allocate_ring_element(rx,
> - index);
> + new_skb = lan743x_rx_allocate_skb(rx);
> + lan743x_rx_init_ring_element(rx, index,
> + new_skb);
In the second and third hunk, you have to check lan743x_rx_allocate_skb() for
NULL too and act accordingly.
