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vduse: Fix returning wrong type in vduse_domain_alloc_iova()

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This fixes the following smatch warnings:

drivers/vdpa/vdpa_user/iova_domain.c:305 vduse_domain_alloc_iova() warn: should 'iova_pfn << shift' be a 64 bit type?

Fixes: 8c773d53fb ("vduse: Implement an MMU-based software IOTLB")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: https://lore.kernel.org/r/20220121083940.102-1-xieyongji@bytedance.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Xie Yongji 2022-01-21 16:39:39 +08:00 committed by Michael S. Tsirkin
parent ed0f849fc3
commit b9d102dafe
1 changed files with 1 additions and 1 deletions
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2
drivers/vdpa/vdpa_user/iova_domain.c
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@ -294,7 +294,7 @@ vduse_domain_alloc_iova(struct iova_domain *iovad,
iova_pfn = alloc_iova_fast(iovad, iova_len, limit >> shift, true);
return iova_pfn << shift;
return (dma_addr_t)iova_pfn << shift;
}
static void vduse_domain_free_iova(struct iova_domain *iovad,