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Commit 975ef94a authored by Pan Bian's avatar Pan Bian Committed by Juergen Gross
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pvcalls-front: fixes incorrect error handling 



kfree() is incorrectly used to release the pages allocated by
__get_free_page() and __get_free_pages(). Use the matching deallocators
i.e., free_page() and free_pages(), respectively.

Signed-off-by: default avatarPan Bian <bianpan2016@163.com>
Reviewed-by: default avatarStefano Stabellini <sstabellini@kernel.org>
Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent 12366410

drivers/xen/pvcalls-front.c

+2 −2
Original line number Diff line number Diff line
@@ -385,8 +385,8 @@ static int create_active(struct sock_mapping *map, int *evtchn) 
out_error:

	if (*evtchn >= 0)

		xenbus_free_evtchn(pvcalls_front_dev, *evtchn);

	kfree(map->active.data.in);

	kfree(map->active.ring);

	free_pages((unsigned long)map->active.data.in, PVCALLS_RING_ORDER);

	free_page((unsigned long)map->active.ring);

	return ret;

}