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| author | Michael S. Tsirkin <mst@redhat.com> | 2020-05-15 11:29:53 -0400 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-05-15 11:36:31 -0400 |
| commit | 1b0be99f1a426d9f17ced95c4118c6641a2ff13d (patch) | |
| tree | 35c0c2498ce3f61193322a2994c386983247251f | |
| parent | 0f8e3823c02c2e7412477dc3d49d179803c3fdfa (diff) | |
| download | lwn-1b0be99f1a426d9f17ced95c4118c6641a2ff13d.tar.gz lwn-1b0be99f1a426d9f17ced95c4118c6641a2ff13d.zip | |
vhost: missing __user tags
sparse warns about converting void * to void __user *. This is not new
but only got noticed now that vhost is built on more systems.
This is just a question of __user tags missing in a couple of places,
so fix it up.
Fixes: f88949138058 ("vhost: introduce O(1) vq metadata cache")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | drivers/vhost/vhost.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index d450e16c5c25..21a59b598ed8 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -730,7 +730,7 @@ static inline void __user *vhost_vq_meta_fetch(struct vhost_virtqueue *vq, if (!map) return NULL; - return (void *)(uintptr_t)(map->addr + addr - map->start); + return (void __user *)(uintptr_t)(map->addr + addr - map->start); } /* Can we switch to this memory table? */ @@ -869,7 +869,7 @@ static void __user *__vhost_get_user_slow(struct vhost_virtqueue *vq, * not happen in this case. */ static inline void __user *__vhost_get_user(struct vhost_virtqueue *vq, - void *addr, unsigned int size, + void __user *addr, unsigned int size, int type) { void __user *uaddr = vhost_vq_meta_fetch(vq, |