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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2020-10-23 15:08:53 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-10-30 11:02:25 +0300 |
| commit | 7922460e33c81f41e0d2421417228b32e6fdbe94 (patch) | |
| tree | 8c5fbe06554b29562d12c1a5a22b1a55aa4fbc55 /drivers/vdpa | |
| parent | 70a62fce262854c4aabaa47e46e82fce9f3f3938 (diff) | |
| download | linux-7922460e33c81f41e0d2421417228b32e6fdbe94.tar.xz | |
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: a127c5bbb6a8 ("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>
Diffstat (limited to 'drivers/vdpa')
0 files changed, 0 insertions, 0 deletions