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pvcalls-front: fixes incorrect error handling

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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: Pan Bian <bianpan2016@163.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Pan Bian 2018-11-22 10:07:12 +08:00 committed by Juergen Gross
parent 123664101a
commit 975ef94a02
1 changed files with 2 additions and 2 deletions
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4
drivers/xen/pvcalls-front.c
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@ -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;
}