Re: [PATCH] ACPI/IORT: Fix off-by-one check in iort_dev_find_its_id()

[Hanjun Guo]

On 2019/7/23 0:25, Lorenzo Pieralisi wrote:
> Static analysis identified that index comparison against ITS entries in
> iort_dev_find_its_id() is off by one.
> 
> Update the comparison condition and clarify the resulting error
> message.
> 
> Fixes: 4bf2efd26d76 ("ACPI: Add new IORT functions to support MSI domain handling")
> Link: https://lore.kernel.org/linux-arm-kernel/20190613065410.GB16334@mwanda/
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Cc: Will Deacon <will@xxxxxxxxxx>
> Cc: Hanjun Guo <guohanjun@xxxxxxxxxx>
> Cc: Sudeep Holla <sudeep.holla@xxxxxxx>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Robin Murphy <robin.murphy@xxxxxxx>

Reviewed-by: Hanjun Guo <guohanjun@xxxxxxxxxx>