From 024e6293f959dc86827284bc1d7c93c8baed1ec6 Mon Sep 17 00:00:00 2001
From: Casey Leedom <leedom@chelsio.com>
Date: Mon, 19 Jul 2010 17:51:46 -0700
Subject: [PATCH] cxgb4vf: Fix off-by-one error checking for the end of the
mailbox delay array
Fix off-by-one error in checking for the end of the mailbox response delay
array. We ended up walking off the end and, if we were unlucky, we'd end up
pulling in a 0 and never terminate the mailbox response delay loop ...
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/cxgb4vf/t4vf_hw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/cxgb4vf/t4vf_hw.c b/drivers/net/cxgb4vf/t4vf_hw.c
index 1ef252864b9c..ea1c123f0cb4 100644
--- a/drivers/net/cxgb4vf/t4vf_hw.c
+++ b/drivers/net/cxgb4vf/t4vf_hw.c
@@ -163,7 +163,7 @@ int t4vf_wr_mbox_core(struct adapter *adapter, const void *cmd, int size,
for (i = 0; i < 500; i += ms) {
if (sleep_ok) {
ms = delay[delay_idx];
- if (delay_idx < ARRAY_SIZE(delay))
+ if (delay_idx < ARRAY_SIZE(delay) - 1)
delay_idx++;
msleep(ms);
} else
--
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