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[PATCH] BNX2: Block MII access when ifdown.

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The device may be in D3hot state and should not allow MII register
access.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
This commit is contained in:
Michael Chan
2007-05-07 19:04:28 -07:00
committed by Chris Wright
parent 2503fa413e
commit 2a0167b2db
1 changed files with 6 additions and 0 deletions
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drivers/net/bnx2.c
+6
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@@ -5564,6 +5564,9 @@ bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
case SIOCGMIIREG: {
u32 mii_regval;
if (!netif_running(dev))
return -EAGAIN;
spin_lock_bh(&bp->phy_lock);
err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
spin_unlock_bh(&bp->phy_lock);
@@ -5577,6 +5580,9 @@ bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
if (!capable(CAP_NET_ADMIN))
return -EPERM;
if (!netif_running(dev))
return -EAGAIN;
spin_lock_bh(&bp->phy_lock);
err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
spin_unlock_bh(&bp->phy_lock);