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authorEd Cashin <ecashin@coraid.com>2009-02-18 14:48:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-02-18 15:37:53 -0800
commitb6d6c5175809934e04a606d9193ef04924a7a7d9 (patch)
tree49c90d21c05c657e51d8da3eff1b10b9c1f3da12
parentc296861291669f305deef19b78042330d7135017 (diff)
downloadop-kernel-dev-b6d6c5175809934e04a606d9193ef04924a7a7d9.zip
op-kernel-dev-b6d6c5175809934e04a606d9193ef04924a7a7d9.tar.gz
aoe: ignore vendor extension AoE responses
The Welland ME-747K-SI AoE target generates unsolicited AoE responses that are marked as vendor extensions. Instead of ignoring these packets, the aoe driver was generating kernel messages for each unrecognized response received. This patch corrects the behavior. Signed-off-by: Ed Cashin <ecashin@coraid.com> Reported-by: <karaluh@karaluh.pl> Tested-by: <karaluh@karaluh.pl> Cc: <stable@kernel.org> Cc: Alex Buell <alex.buell@munted.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/block/aoe/aoe.h1
-rw-r--r--drivers/block/aoe/aoenet.c2
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h
index c237527..5e41e6d 100644
--- a/drivers/block/aoe/aoe.h
+++ b/drivers/block/aoe/aoe.h
@@ -18,6 +18,7 @@
enum {
AOECMD_ATA,
AOECMD_CFG,
+ AOECMD_VEND_MIN = 0xf0,
AOEFL_RSP = (1<<3),
AOEFL_ERR = (1<<2),
diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index 30de5b1..c6099ba 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -142,6 +142,8 @@ aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt,
aoecmd_cfg_rsp(skb);
break;
default:
+ if (h->cmd >= AOECMD_VEND_MIN)
+ break; /* don't complain about vendor commands */
printk(KERN_INFO "aoe: unknown cmd %d\n", h->cmd);
}
exit:
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