evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

[BNX2]: Block MII access when ifdown.

Browse source 
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>
This commit is contained in:
Michael Chan 2007-05-03 13:18:03 -07:00 • committed by David S. Miller
parent 427c2196b9
commit dad3e452da
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/net/bnx2.c
View file

@ -5562,6 +5562,9 @@ bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
case SIOCGMIIREG: { case SIOCGMIIREG: {
u32 mii_regval; u32 mii_regval;
if (!netif_running(dev))
return -EAGAIN;
spin_lock_bh(&bp->phy_lock); spin_lock_bh(&bp->phy_lock);
err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval); err = bnx2_read_phy(bp, data->reg_num & 0x1f, &mii_regval);
spin_unlock_bh(&bp->phy_lock); spin_unlock_bh(&bp->phy_lock);
@ -5575,6 +5578,9 @@ bnx2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
if (!capable(CAP_NET_ADMIN)) if (!capable(CAP_NET_ADMIN))
return -EPERM; return -EPERM;
if (!netif_running(dev))
return -EAGAIN;
spin_lock_bh(&bp->phy_lock); spin_lock_bh(&bp->phy_lock);
err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in); err = bnx2_write_phy(bp, data->reg_num & 0x1f, data->val_in);
spin_unlock_bh(&bp->phy_lock); spin_unlock_bh(&bp->phy_lock);