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| author | Sonny Rao <sonnyrao@chromium.org> | 2018-03-14 14:36:25 -0700 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2018-03-20 03:17:42 +0200 |
| commit | dc32bb678e103afbcfa4d814489af0566307f528 (patch) | |
| tree | bb181af92c1f7e40734dad404339bdef4c480b7c /drivers/vhost | |
| parent | 26b36604523f4a681a86e6cbc970ea72a2e9fb8a (diff) | |
| download | linux-0-day-dc32bb678e103afbcfa4d814489af0566307f528.tar.gz linux-0-day-dc32bb678e103afbcfa4d814489af0566307f528.tar.xz | |
vhost: add vsock compat ioctl
This will allow usage of vsock from 32-bit binaries on a 64-bit
kernel.
Signed-off-by: Sonny Rao <sonnyrao@chromium.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/vsock.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index 0d14e2ff19f16..ee0c385d9fe54 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -699,12 +699,23 @@ static long vhost_vsock_dev_ioctl(struct file *f, unsigned int ioctl, } } +#ifdef CONFIG_COMPAT +static long vhost_vsock_dev_compat_ioctl(struct file *f, unsigned int ioctl, + unsigned long arg) +{ + return vhost_vsock_dev_ioctl(f, ioctl, (unsigned long)compat_ptr(arg)); +} +#endif + static const struct file_operations vhost_vsock_fops = { .owner = THIS_MODULE, .open = vhost_vsock_dev_open, .release = vhost_vsock_dev_release, .llseek = noop_llseek, .unlocked_ioctl = vhost_vsock_dev_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = vhost_vsock_dev_compat_ioctl, +#endif }; static struct miscdevice vhost_vsock_misc = { |