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: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c8d44a7..17ad152 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5680,6 +5680,8 @@
if (host->ops->host_stop)
host->ops->host_stop(host);
+
+ dev_set_drvdata(gendev, NULL);
}
/**
@@ -5902,7 +5904,6 @@
err_out:
devres_release_group(dev, ata_device_add);
- dev_set_drvdata(dev, NULL);
VPRINTK("EXIT, returning %d\n", rc);
return 0;
}