tree aba8963ae8efcc2c6ecaa5cb495e53254fa9d7fc
parent 7e51f1979237e01bcd4e04e434c5da79151f08f8
author Joe Perches <joe@perches.com> 1378934638 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1378940323 -0700

checkpatch: warn when using extern with function prototypes in .h files

Using the extern keyword on function prototypes is superfluous visual
noise so suggest removing it.

Using extern can cause unnecessary line wrapping at 80 columns and
unnecessarily long multi-line function prototypes.

Signed-off-by: Joe Perches <joe@perches.com>
Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>