| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.19 103/123] pvcalls-front: fixes incorrect error handling | Date | Wed, 5 Dec 2018 04:35:35 -0500 |
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From: Pan Bian <bianpan2016@163.com>
[ Upstream commit 975ef94a0284648fb0137bd5e949b18cef604e33 ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/xen/pvcalls-front.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c index 2f11ca72a281..77224d8f3e6f 100644 --- a/drivers/xen/pvcalls-front.c +++ b/drivers/xen/pvcalls-front.c @@ -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; } -- 2.17.1
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