Re: [PATCH] drivers: iommu: fix clang -wformat warning

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On Thu, Jul 21, 2022 at 02:03:31PM -0700, Justin Stitt wrote:
> When building with Clang we encounter the following warning:
> | drivers/iommu/msm_iommu.c:603:6: error: format specifies type 'unsigned
> | short' but the argument has type 'int' [-Werror,-Wformat] sid);
> 
> `sid` is an int, use the proper format specifier `%x`.
> 
> Link: https://github.com/ClangBuiltLinux/linux/issues/378
> Reported-by: Nathan Chancellor <nathan@xxxxxxxxxx>
> Suggested-by: Nathan Chancellor <nathan@xxxxxxxxxx>
> Signed-off-by: Justin Stitt <justinstitt@xxxxxxxxxx>

Thanks for the patch!

Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx>

> ---
> Reported by Nathan here:
> https://lore.kernel.org/all/YtmrCJjQrSbv8Aj1@dev-arch.thelio-3990X/
> 
>  drivers/iommu/msm_iommu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c
> index 428919a474c1..6a24aa804ea3 100644
> --- a/drivers/iommu/msm_iommu.c
> +++ b/drivers/iommu/msm_iommu.c
> @@ -599,7 +599,7 @@ static int insert_iommu_master(struct device *dev,
>  
>  	for (sid = 0; sid < master->num_mids; sid++)
>  		if (master->mids[sid] == spec->args[0]) {
> -			dev_warn(dev, "Stream ID 0x%hx repeated; ignoring\n",
> +			dev_warn(dev, "Stream ID 0x%x repeated; ignoring\n",
>  				 sid);
>  			return 0;
>  		}
> -- 
> 2.37.1.359.gd136c6c3e2-goog
> 
> 



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