From 634354d753898f9d9d146bd47628a1ef27f7dc98 Mon Sep 17 00:00:00 2001 From: Vitaliy Gusev Date: Wed, 16 Sep 2009 00:00:21 -0700 Subject: [PATCH] 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 Acked-by: Roland Dreier Signed-off-by: David S. Miller --- drivers/net/mlx4/catas.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/net/mlx4/catas.c b/drivers/net/mlx4/catas.c index aa9674b7f19c..f599294fa8ab 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"); + } } } -- 2.30.2