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Commit 8d0b8801 authored by Wei Liu's avatar Wei Liu Committed by Konrad Rzeszutek Wilk
Browse files

xenbus_client.c: correct exit path for xenbus_map_ring_valloc_hvm 



Apparently we should not free page that has not been allocated.
This is b/c alloc_xenballooned_pages will take care of freeing
the page on its own.

Signed-off-by: default avatarWei Liu <wei.liu2@citrix.com>
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent d69c0e39

drivers/xen/xenbus/xenbus_client.c

+3 −2
Original line number Diff line number Diff line
@@ -534,7 +534,7 @@ static int xenbus_map_ring_valloc_hvm(struct xenbus_device *dev, 


	err = xenbus_map_ring(dev, gnt_ref, &node->handle, addr);

	if (err)

		goto out_err;

		goto out_err_free_ballooned_pages;



	spin_lock(&xenbus_valloc_lock);

	list_add(&node->next, &xenbus_valloc_pages);
@@ -543,8 +543,9 @@ static int xenbus_map_ring_valloc_hvm(struct xenbus_device *dev, 
	*vaddr = addr;

	return 0;



 out_err:

 out_err_free_ballooned_pages:

	free_xenballooned_pages(1, &node->page);

 out_err:

	kfree(node);

	return err;

}