From: Nathan Chancellor <nathan@kernel.org>
To: Justin Stitt <justinstitt@google.com>
Cc: Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
Konrad Dybcio <konrad.dybcio@somainline.org>,
Robin Murphy <robin.murphy@arm.com>,
Nick Desaulniers <ndesaulniers@google.com>,
Tom Rix <trix@redhat.com>,
linux-arm-msm@vger.kernel.org, iommu@lists.linux.dev,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev
Subject: Re: [PATCH] drivers: iommu: fix clang -wformat warning
Date: Thu, 21 Jul 2022 14:05:46 -0700 [thread overview]
Message-ID: <Ytm/qj2ozeSY0a3Y@dev-arch.thelio-3990X> (raw)
In-Reply-To: <20220721210331.4012015-1-justinstitt@google.com>
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@kernel.org>
> Suggested-by: Nathan Chancellor <nathan@kernel.org>
> Signed-off-by: Justin Stitt <justinstitt@google.com>
Thanks for the patch!
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
> ---
> 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
>
>
next prev parent reply other threads:[~2022-07-21 21:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-21 21:03 [PATCH] drivers: iommu: fix clang -wformat warning Justin Stitt
2022-07-21 21:05 ` Nathan Chancellor [this message]
2022-07-22 14:39 ` Joerg Roedel
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