diff options
| author | Joe Perches <joe@perches.com> | 2014-06-24 00:22:07 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-24 03:47:44 +0400 |
| commit | b43ae21bd1d8199df10548f3fc0d806052027f29 (patch) | |
| tree | 41100aa4d0e3f03840b999418e075e0792de9228 /scripts | |
| parent | f9af420fc8208d3add2fe3198dc5d8215f5a81ba (diff) | |
| download | linux-b43ae21bd1d8199df10548f3fc0d806052027f29.tar.xz | |
checkpatch: reduce false positives when checking void function return statements
The previous patch had a few too many false positives on styles that
should be acceptable.
Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Anish Bhatt <anish@chelsio.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/checkpatch.pl | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 010b18ef4ea0..182be0f12407 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -3476,12 +3476,17 @@ sub process { } } -# unnecessary return in a void function? (a single leading tab, then return;) - if ($sline =~ /^\+\treturn\s*;\s*$/ && - $prevline =~ /^\+/) { +# unnecessary return in a void function +# at end-of-function, with the previous line a single leading tab, then return; +# and the line before that not a goto label target like "out:" + if ($sline =~ /^[ \+]}\s*$/ && + $prevline =~ /^\+\treturn\s*;\s*$/ && + $linenr >= 3 && + $lines[$linenr - 3] =~ /^[ +]/ && + $lines[$linenr - 3] !~ /^[ +]\s*$Ident\s*:/) { WARN("RETURN_VOID", - "void function return statements are not generally useful\n" . $herecurr); - } + "void function return statements are not generally useful\n" . $hereprev); + } # if statements using unnecessary parentheses - ie: if ((foo == bar)) if ($^V && $^V ge 5.10.0 && |