From: Alexey Dobriyan <adobriyan@xxxxxxxxx> Subject: Documentation/process/coding-style.rst: don't use "extern" with function prototypes `extern' with function prototypes makes lines longer and creates more characters on the screen. Do not bug people with checkpatch.pl warnings for now as fallout can be devastating. Link: http://lkml.kernel.org/r/20181101134153.GA29267@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/process/coding-style.rst | 3 +++ 1 file changed, 3 insertions(+) --- a/Documentation/process/coding-style.rst~coding-style-dont-use-extern-with-function-prototypes +++ a/Documentation/process/coding-style.rst @@ -443,6 +443,9 @@ In function prototypes, include paramete Although this is not required by the C language, it is preferred in Linux because it is a simple way to add valuable information for the reader. +Do not use the `extern' keyword with function prototypes as this makes +lines longer and isn't strictly necessary. + 7) Centralized exiting of functions ----------------------------------- _
