Re: [PATCH -next] iommu/intel: silence a variable set but not used

Joerg Roedel
2019-06-18T15:32:28Z

On Mon, Jun 03, 2019 at 10:05:19AM -0400, Qian Cai wrote:
> The commit "iommu/vt-d: Probe DMA-capable ACPI name space devices"
> introduced a compilation warning due to the "iommu" variable in
> for_each_active_iommu() but never used the for each element, i.e,
> "drhd->iommu".
>
> drivers/iommu/intel-iommu.c: In function 'probe_acpi_namespace_devices':
> drivers/iommu/intel-iommu.c:4639:22: warning: variable 'iommu' set but
> not used [-Wunused-but-set-variable]
> struct intel_iommu *iommu;
>
> Silence the warning the same way as in the commit d3ed71e5cc50
> ("drivers/iommu/intel-iommu.c: fix variable 'iommu' set but not used")
>
> Signed-off-by: Qian Cai <cai@lca.pw>
> ---
> drivers/iommu/intel-iommu.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)

Applied, thanks.