linux-kernel - Re: [PATCH 2/2] HID: intel-ish-hid: format 32-bit integers with %X

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Date:   Thu, 22 Dec 2016 09:12:16 -0800
From:   Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     Nicolas Iooss <nicolas.iooss_linux@....org>,
        Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] HID: intel-ish-hid: format 32-bit integers with %X

On Thu, 2016-12-22 at 11:09 +0100, Nicolas Iooss wrote:
> In ishtp_hid_probe(), use %04X instead of %04hX to format __u32
> values,
> in order to silent a format error reported by clang:
> 
>     drivers/hid/intel-ish-hid/ishtp-hid.c:212:3: error: format
> specifies
>     type 'unsigned short' but the argument has type '__u32' (aka
>     'unsigned int') [-Werror,-Wformat]
>                     hid->vendor, hid->product);
>                     ^~~~~~~~~~~
>     drivers/hid/intel-ish-hid/ishtp-hid.c:212:16: error: format
>     specifies type 'unsigned short' but the argument has type '__u32'
>     (aka 'unsigned int') [-Werror,-Wformat]
>                     hid->vendor, hid->product);
>                                  ^~~~~~~~~~~~
> 
> Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@....org>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>

> ---
>  drivers/hid/intel-ish-hid/ishtp-hid.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hid/intel-ish-hid/ishtp-hid.c
> b/drivers/hid/intel-ish-hid/ishtp-hid.c
> index 277983aa1d90..cd23903ddcf1 100644
> --- a/drivers/hid/intel-ish-hid/ishtp-hid.c
> +++ b/drivers/hid/intel-ish-hid/ishtp-hid.c
> @@ -208,7 +208,7 @@ int ishtp_hid_probe(unsigned int cur_hid_dev,
>  	hid->version = le16_to_cpu(ISH_HID_VERSION);
>  	hid->vendor = le16_to_cpu(ISH_HID_VENDOR);
>  	hid->product = le16_to_cpu(ISH_HID_PRODUCT);
> -	snprintf(hid->name, sizeof(hid->name), "%s %04hX:%04hX",
> "hid-ishtp",
> +	snprintf(hid->name, sizeof(hid->name), "%s %04X:%04X", "hid-
> ishtp",
>  		hid->vendor, hid->product);
>  
>  	rv = hid_add_device(hid);