diff options
| -rw-r--r-- | drivers/misc/habanalabs/common/device.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index bd76a68d44be..9a71737fc804 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -94,6 +94,11 @@ int hl_access_cfg_region(struct hl_device *hdev, u64 addr, u64 *val, struct pci_mem_region *cfg_region = &hdev->pci_mem_region[PCI_REGION_CFG]; u32 val_h, val_l; + if (!IS_ALIGNED(addr, sizeof(u32))) { + dev_err(hdev->dev, "address %#llx not a multiple of %zu\n", addr, sizeof(u32)); + return -EINVAL; + } + switch (acc_type) { case DEBUGFS_READ32: *val = RREG32(addr - cfg_region->region_base); |