linux-kernel - [PATCH net-next v1 1/6] tg3: fix possible infinite loop

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Date:	Fri, 16 Dec 2011 10:19:44 -0800
From:	David Decotigny <decot@...glers.com>
To:	Matt Carlson <mcarlson@...adcom.com>,
	Michael Chan <mchan@...adcom.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	Javier Martinez Canillas <martinez.javier@...il.com>,
	Robin Getz <rgetz@...ckfin.uclinux.org>,
	Matt Mackall <mpm@...enic.com>,
	David Decotigny <decot@...glers.com>
Subject: [PATCH net-next v1 1/6] tg3: fix possible infinite loop

Found by browsing the code.

Tested:
  Not tested along the affected path. No regression observed.



Signed-off-by: David Decotigny <decot@...glers.com>
---
 drivers/net/ethernet/broadcom/tg3.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 8bf11ca..e04c4f9 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -13877,8 +13877,10 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
 				continue;
 			}
 			if (pci_id->rev != PCI_ANY_ID) {
-				if (bridge->revision > pci_id->rev)
+				if (bridge->revision > pci_id->rev) {
+					pci_id++;
 					continue;
+				}
 			}
 			if (bridge->subordinate &&
 			    (bridge->subordinate->number ==
-- 
1.7.3.1

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