Re: [ammarfaizi2-block:kvalo/ath/pending 9/45] drivers/net/wireless/realtek/rtw89/ser.c:319:2: warning: unannotated fall-through between switch labels

From: Kalle Valo
Date: Fri Apr 08 2022 - 01:26:04 EST


kernel test robot <lkp@xxxxxxxxx> writes:

> tree: https://github.com/ammarfaizi2/linux-block kvalo/ath/pending
> head: e1bd1e32fab0c91cf7a87e96fee9270e98e79351
> commit: 14f9f4790048f684c2b151c899895feae0b5731a [9/45] rtw89: ser: control hci interrupts on/off by state
> config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20220407/202204071343.R89skHKl-lkp@xxxxxxxxx/config)
> compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 6b306233f78876a1d197ed6e1f05785505de7c63)
> 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://github.com/ammarfaizi2/linux-block/commit/14f9f4790048f684c2b151c899895feae0b5731a
> git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
> git fetch --no-tags ammarfaizi2-block kvalo/ath/pending
> git checkout 14f9f4790048f684c2b151c899895feae0b5731a
> # save the config file to linux build tree
> mkdir build_dir
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/net/wireless/realtek/rtw89/
>
> 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/net/wireless/realtek/rtw89/ser.c:319:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
> default:
> ^
> drivers/net/wireless/realtek/rtw89/ser.c:319:2: note: insert 'break;' to avoid fall-through
> default:
> ^
> break;
> 1 warning generated.

This should fix the warning:

https://patchwork.kernel.org/project/linux-wireless/patch/20220408001353.17188-2-pkshih@xxxxxxxxxxx/

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