diff options
Diffstat (limited to 'drivers/iommu/amd/debugfs.c')
| -rw-r--r-- | drivers/iommu/amd/debugfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/amd/debugfs.c b/drivers/iommu/amd/debugfs.c index 10fa217a7119..20b04996441d 100644 --- a/drivers/iommu/amd/debugfs.c +++ b/drivers/iommu/amd/debugfs.c @@ -37,7 +37,7 @@ static ssize_t iommu_mmio_write(struct file *filp, const char __user *ubuf, if (ret) return ret; - if (iommu->dbg_mmio_offset > iommu->mmio_phys_end - 4) { + if (iommu->dbg_mmio_offset > iommu->mmio_phys_end - sizeof(u64)) { iommu->dbg_mmio_offset = -1; return -EINVAL; } |