diff options
| author | Vitaliy Gusev <vgusev@openvz.org> | 2009-09-16 00:00:21 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-16 00:00:21 -0700 |
| commit | 634354d753898f9d9d146bd47628a1ef27f7dc98 (patch) | |
| tree | 741559fce26417a710bd04e7a704e635d7864e53 | |
| parent | 657e9649e745b06675aa5063c84430986cdc3afa (diff) | |
| download | linux-3.10-634354d753898f9d9d146bd47628a1ef27f7dc98.tar.gz linux-3.10-634354d753898f9d9d146bd47628a1ef27f7dc98.tar.bz2 linux-3.10-634354d753898f9d9d146bd47628a1ef27f7dc98.zip | |
mlx4: Fix access to freed memory
catas_reset() uses pointer to mlx4_priv, but mlx4_priv is not valid
after call mlx4_restart_one().
Signed-off-by: Vitaliy Gusev <vgusev@openvz.org>
Acked-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/mlx4/catas.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/mlx4/catas.c b/drivers/net/mlx4/catas.c index aa9674b7f19..f599294fa8a 100644 --- a/drivers/net/mlx4/catas.c +++ b/drivers/net/mlx4/catas.c @@ -96,12 +96,17 @@ static void catas_reset(struct work_struct *work) spin_unlock_irq(&catas_lock); list_for_each_entry_safe(priv, tmppriv, &tlist, catas_err.list) { + struct pci_dev *pdev = priv->dev.pdev; + ret = mlx4_restart_one(priv->dev.pdev); - dev = &priv->dev; + /* 'priv' now is not valid */ if (ret) - mlx4_err(dev, "Reset failed (%d)\n", ret); - else + printk(KERN_ERR "mlx4 %s: Reset failed (%d)\n", + pci_name(pdev), ret); + else { + dev = pci_get_drvdata(pdev); mlx4_dbg(dev, "Reset succeeded\n"); + } } } |