]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 5bea6d8) | patch
vhost_vdpa: Return -EFAULT if copy_from_user() fails
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 23 Oct 2020 12:08:53 +0000 (15:08 +0300)
committerMichael S. Tsirkin <mst@redhat.com>
Fri, 30 Oct 2020 08:02:25 +0000 (04:02 -0400)
commitd33c020fd3eea58ea09a24bb4cb19f296760d283
tree8c5fbe06554b29562d12c1a5a22b1a55aa4fbc55tree | snapshot
parent5bea6d8511cabe719c03ebaa48d37c6740e0eec4commit | diff
vhost_vdpa: Return -EFAULT if copy_from_user() fails

The copy_to/from_user() functions return the number of bytes which we
weren't able to copy but the ioctl should return -EFAULT if they fail.

Fixes: 3e2bd48bc7fd ("vhost-vdpa: fix backend feature ioctls")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20201023120853.GI282278@mwanda
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: stable@vger.kernel.org
Acked-by: Jason Wang <jasowang@redhat.com>
drivers/vhost/vdpa.c diff | blob | history
Linux Kernel Source Tree.