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vdpa_sim: init iommu lock

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The patch adding the iommu lock did not initialize it.
The struct is zero-initialized so this is mostly a problem
when using lockdep.

Reported-by: kernel test robot <rong.a.chen@intel.com>
Cc: Max Gurtovoy <maxg@mellanox.com>
Fixes: 0ea9ee430e ("vdpasim: protect concurrent access to iommu iotlb")
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2020-08-10 08:44:43 -04:00
parent c84f91e262
commit 1e3e792650
1 changed files with 1 additions and 0 deletions
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drivers/vdpa/vdpa_sim/vdpa_sim.c
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@ -358,6 +358,7 @@ static struct vdpasim *vdpasim_create(void)
INIT_WORK(&vdpasim->work, vdpasim_work);
spin_lock_init(&vdpasim->lock);
spin_lock_init(&vdpasim->iommu_lock);
dev = &vdpasim->vdpa.dev;
dev->coherent_dma_mask = DMA_BIT_MASK(64);