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
The array regs is declared with IOMMU_NREGS (3) elements and accessed using IOMMU_CTRL (0) and IOMMU_BASE (8). In most cases, those values are right shifted before being used as an index which results in indices 0 and 1. In one case, this right shift was missing for IOMMU_BASE which results in an out-of-bounds write access with index 8. The patch adds the missing shift operation also for IOMMU_CTRL where it is needed only for cosmetic reasons. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>