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vdpa: potential uninitialized return in vhost_vdpa_va_map()

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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>
This commit is contained in:
Dan Carpenter 2021-09-07 10:32:53 +03:00 committed by Michael S. Tsirkin
parent 759be8993b
commit be9c6bad9b
1 changed files with 1 additions and 1 deletions
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2
drivers/vhost/vdpa.c
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@ -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);