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>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 7ee6a211f9ba..ca5090c3341e 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,