Re: drivers/hid/i2c-hid/i2c-hid-core.c:867:4: warning: format specifies type 'unsigned short' but the argument has type 'int'

From: Rong Chen
Date: Wed Dec 01 2021 - 19:26:32 EST



On 11/30/21 08:19, Doug Anderson wrote:
<Beep> <Boop> <Bop> (translates as "Hello Mr. Robot"),

On Thu, Nov 25, 2021 at 10:44 PM kernel test robot <lkp@xxxxxxxxx> wrote:
Hi Douglas,

First bad commit (maybe != root cause):

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a4849f6000e29235a2707f22e39da6b897bb9543
commit: c1ed18c11bdb80eced208a61d40b1988f36a014f HID: i2c-hid: Introduce goodix-i2c-hid using i2c-hid core
date: 10 months ago
config: arm64-randconfig-r034-20211116 (https://download.01.org/0day-ci/archive/20211126/202111261447.lxHTeAhi-lkp@xxxxxxxxx/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project fbe72e41b99dc7994daac300d208a955be3e4a0a)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c1ed18c11bdb80eced208a61d40b1988f36a014f
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout c1ed18c11bdb80eced208a61d40b1988f36a014f
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

drivers/hid/i2c-hid/i2c-hid-core.c:867:4: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat]
le16_to_cpu(hdesc->bcdVersion));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:112:32: note: expanded from macro 'dev_err'
_dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/byteorder/generic.h:91:21: note: expanded from macro 'le16_to_cpu'
#define le16_to_cpu __le16_to_cpu
^
include/uapi/linux/byteorder/big_endian.h:36:26: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/uapi/linux/swab.h:105:2: note: expanded from macro '__swab16'
(__builtin_constant_p((__u16)(x)) ? \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
May I kindly point to the reply I gave to the same error last month
when you mailed it out?

https://lore.kernel.org/r/CAD=FV=WkUEkkkfGa+6QJSBvj8EgVrnGYYbd6RrC_5HdTue=mDw@xxxxxxxxxxxxxx/


Hi Doug,

Thanks for the feedback, we have added the warnings to our ignore list.

Best Regards,

Rong Chen