Commit 1aa56cca authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik

libata: clear drvdata in ata_host_release(), take#2

Clearing drvdata in ->remove_one causes NULL pointer deference.  Clear
drvdata only in ata_host_release() after all resources are freed.
Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 7b965e08
......@@ -5680,6 +5680,8 @@ static void ata_host_release(struct device *gendev, void *res)
if (host->ops->host_stop)
host->ops->host_stop(host);
dev_set_drvdata(gendev, NULL);
}
/**
......@@ -5902,7 +5904,6 @@ int ata_device_add(const struct ata_probe_ent *ent)
err_out:
devres_release_group(dev, ata_device_add);
dev_set_drvdata(dev, NULL);
VPRINTK("EXIT, returning %d\n", rc);
return 0;
}
......
......@@ -306,7 +306,6 @@ static void __devexit cs5520_remove_one(struct pci_dev *pdev)
struct ata_host *host = dev_get_drvdata(dev);
ata_host_detach(host);
dev_set_drvdata(dev, NULL);
}
/**
......
......@@ -128,7 +128,6 @@ static void isapnp_remove_one(struct pnp_dev *idev)
struct ata_host *host = dev_get_drvdata(dev);
ata_host_detach(host);
dev_set_drvdata(dev, NULL);
}
static struct pnp_device_id isapnp_devices[] = {
......
......@@ -228,7 +228,6 @@ static int __devexit pata_platform_remove(struct platform_device *pdev)
struct ata_host *host = dev_get_drvdata(dev);
ata_host_detach(host);
dev_set_drvdata(dev, NULL);
return 0;
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment