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(parent: 3fde888) | patch
vhost_vdpa: return -EFAULT if copy_to_user() fails
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 2 Dec 2020 06:44:43 +0000 (09:44 +0300)
committerMichael S. Tsirkin <mst@redhat.com>
Wed, 2 Dec 2020 09:36:40 +0000 (04:36 -0500)
commit9816835e5f41e814e4f58fb4726436bc05d11af3
treee2fecdf55e0f458b58b665593b43644cb7d30bactree | snapshot
parent3fde888665000999e7dd5b5c681a1190778e1b03commit | diff
vhost_vdpa: return -EFAULT if copy_to_user() fails

The copy_to_user() function returns the number of bytes remaining to be
copied but this should return -EFAULT to the user.

Fixes: 815d70220680 ("vhost: vdpa: report iova range")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/X8c32z5EtDsMyyIL@mwanda
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
drivers/vhost/vdpa.c diff | blob | history
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