The it_map array is vzalloc'ed so use vfree() for it when creating
a huge DMA window failed for whatever reason.
While at this, write zero to it_map.
Fixes:
381ceda88c4c ("powerpc/pseries/iommu: Make use of DDW for indirect mapping")
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211020132315.2287178-3-aik@ozlabs.ru
/* Keep default DMA window stuct if removed */
if (default_win_removed) {
tbl->it_size = 0;
- kfree(tbl->it_map);
+ vfree(tbl->it_map);
+ tbl->it_map = NULL;
}
set_iommu_table_base(&dev->dev, newtbl);