> From: Julia Lawall <julia@diku.dk>
>
> The variable num_group_tail_writes is initialized but never used otherwise.
>
> The semantic patch that makes this change is as follows:
> (
http://www.emn.fr/x-info/coccinelle/)
>
> // <smpl>
> @@
> type T;
> identifier i;
> constant C;
> @@
>
> (
> extern T i;
> |
> - T i;
> <+... when != i
> - i = C;
> ...+>
> )
> // </smpl>
>
> Signed-off-by: Julia Lawall <julia@diku.dk>
> ---
> drivers/net/ixgb/ixgb_main.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff -u -p a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
> --- a/drivers/net/ixgb/ixgb_main.c 2008-03-12 14:13:13.000000000 +0100
> +++ b/drivers/net/ixgb/ixgb_main.c 2008-03-15 11:16:23.000000000 +0100
> @@ -2088,14 +2088,12 @@ ixgb_alloc_rx_buffers(struct ixgb_adapte
> struct ixgb_buffer *buffer_info;
> struct sk_buff *skb;
> unsigned int i;
> - int num_group_tail_writes;
> long cleancount;
>
> i = rx_ring->next_to_use;
> buffer_info = &rx_ring->buffer_info[i];
> cleancount = IXGB_DESC_UNUSED(rx_ring);
>
> - num_group_tail_writes = IXGB_RX_BUFFER_WRITE;
>
> /* leave three descriptors unused */
> while(--cleancount > 2) {
> --
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