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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2021-09-07 10:32:53 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2021-09-14 18:10:43 -0400 |
| commit | be9c6bad9b46451ba5bb8d366c51e2475f374981 (patch) | |
| tree | 486dded4a933d50ccc9b6ddec80263ac174ff582 /drivers/vhost | |
| parent | 759be8993b1b40e05b8908583336b8e230e67b08 (diff) | |
| download | linux-be9c6bad9b46451ba5bb8d366c51e2475f374981.tar.bz2 | |
vdpa: potential uninitialized return in vhost_vdpa_va_map()
The concern here is that "ret" can be uninitialized if we hit the
"goto next" condition on every iteration through the loop.
Fixes: 41ba1b5f9d4b ("vdpa: Support transferring virtual addressing during DMA mapping")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210907073253.GB18254@kili
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Xie Yongji <xieyongji@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/vdpa.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index f41d081777f5..35927ceb26ff 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -640,7 +640,7 @@ static int vhost_vdpa_va_map(struct vhost_vdpa *v, u64 offset, map_size, map_iova = iova; struct vdpa_map_file *map_file; struct vm_area_struct *vma; - int ret; + int ret = 0; mmap_read_lock(dev->mm); |