[PATCH 10/12] aoe [1/3]: support multiple AoE listeners

Greg KH
2006-03-24T06:15:59Z

Always clone incoming skbs, allowing other AoE listeners
to exist in the kernel.

Signed-off-by: "Ed L. Cashin" <ecashin@coraid.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---

drivers/block/aoe/aoenet.c | 22 +++++-----------------
1 files changed, 5 insertions(+), 17 deletions(-)

5dc401ee74c5d6a24867acd8302c55da9ae4f0ce
diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index 4be9769..fdff774 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -92,18 +92,6 @@ mac_addr(char addr[6])
return __be64_to_cpu(n);
}

-static struct sk_buff *
-skb_check(struct sk_buff *skb)
-{
- if (skb_is_nonlinear(skb))
- if ((skb = skb_share_check(skb, GFP_ATOMIC)))
- if (skb_linearize(skb, GFP_ATOMIC) < 0) {
- dev_kfree_skb(skb);
- return NULL;
- }
- return skb;
-}
-
void
aoenet_xmit(struct sk_buff *sl)
{
@@ -125,14 +113,14 @@ aoenet_rcv(struct sk_buff *skb, struct n
struct aoe_hdr *h;
u32 n;

- skb = skb_check(skb);
- if (!skb)
+ skb = skb_share_check(skb, GFP_ATOMIC);
+ if (skb == NULL)
return 0;
-
+ if (skb_is_nonlinear(skb))
+ if (skb_linearize(skb, GFP_ATOMIC) < 0)
+ goto exit;
if (!is_aoe_netif(ifp))
goto exit;
-
- //skb->len += ETH_HLEN; /* (1) */
skb_push(skb, ETH_HLEN); /* (1) */

h = (struct aoe_hdr *) skb->mac.raw;
--
1.2.4