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sfc: Move assertions and buffer cleanup earlier in efx_rx_packet_lro()

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This removes the need to use a label and goto, and makes the two
branches mirror each other more closely.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2009-11-23 16:02:25 +00:00 committed by David S. Miller
parent 3139e62827
commit 1241e951af
1 changed files with 14 additions and 12 deletions
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26
drivers/net/sfc/rx.c
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@ -449,15 +449,19 @@ static void efx_rx_packet_lro(struct efx_channel *channel,
/* Pass the skb/page into the LRO engine */
if (rx_buf->page) {
struct sk_buff *skb = napi_get_frags(napi);
struct page *page = rx_buf->page;
struct sk_buff *skb;
EFX_BUG_ON_PARANOID(rx_buf->skb);
rx_buf->page = NULL;
skb = napi_get_frags(napi);
if (!skb) {
put_page(rx_buf->page);
gro_result = GRO_DROP;
goto out;
put_page(page);
return;
}
skb_shinfo(skb)->frags[0].page = rx_buf->page;
skb_shinfo(skb)->frags[0].page = page;
skb_shinfo(skb)->frags[0].page_offset =
efx_rx_buf_offset(rx_buf);
skb_shinfo(skb)->frags[0].size = rx_buf->len;
@ -470,16 +474,14 @@ static void efx_rx_packet_lro(struct efx_channel *channel,
checksummed ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE;
gro_result = napi_gro_frags(napi);
out:
EFX_BUG_ON_PARANOID(rx_buf->skb);
rx_buf->page = NULL;
} else {
EFX_BUG_ON_PARANOID(!rx_buf->skb);
EFX_BUG_ON_PARANOID(!checksummed);
struct sk_buff *skb = rx_buf->skb;
gro_result = napi_gro_receive(napi, rx_buf->skb);
EFX_BUG_ON_PARANOID(!skb);
EFX_BUG_ON_PARANOID(!checksummed);
rx_buf->skb = NULL;
gro_result = napi_gro_receive(napi, skb);
}
if (gro_result == GRO_NORMAL) {