From: Eilon Greenstein <eilong@broadcom.com>
Date: Wed, 14 Jan 2009 06:44:07 +0000 (+0000)
Subject: bnx2x: Block nvram access when the device is inactive
X-Git-Tag: accepted/tizen/common/20141203.182822~17594^2~73
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2add3acb11a26cc14b54669433ae6ace6406cbf2;p=platform%2Fkernel%2Flinux-arm64.git

bnx2x: Block nvram access when the device is inactive

Don't dump eeprom when bnx2x adapter is down.  Running ethtool -e causes an eeh
without it when the device is down

Signed-off-by: Paul Larson <pl@linux.vnet.ibm.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 7ee6a21..ca5090c 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -8107,6 +8107,9 @@ static int bnx2x_get_eeprom(struct net_device *dev,
 	struct bnx2x *bp = netdev_priv(dev);
 	int rc;
 
+	if (!netif_running(dev))
+		return -EAGAIN;
+
 	DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
 	   DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
 	   eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,