Driver Core: do not oops when driver_unregister() is called for unregistered drivers

[sfrench/cifs-2.6.git] / drivers / base / core.c

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 4aa527b8a91381289eb175b33f46e3e418d10374..1977d4beb89e0012290a567c850f6a59dd3da1b0 100644 (file)
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -879,7 +879,7 @@ int device_add(struct device *dev)
        }
 
        if (!dev_name(dev))
-               goto done;
+               goto name_error;
 
        pr_debug("device: '%s': %s\n", dev_name(dev), __func__);
 
@@ -978,6 +978,9 @@ done:
        cleanup_device_parent(dev);
        if (parent)
                put_device(parent);
+name_error:
+       kfree(dev->p);
+       dev->p = NULL;
        goto done;
 }