Re: [PATCH 1/5] checkpatch: Add tests for function pointer stylemisuses

From: Josh Triplett
Date: Thu Dec 26 2013 - 19:59:16 EST


On Thu, Dec 26, 2013 at 12:07:23PM -0800, Josh Triplett wrote:
> On Thu, Dec 26, 2013 at 11:20:28AM -0800, Joe Perches wrote:
> > Kernel style uses function pointers in this form:
> >         "type (*funcptr)(args...)"
> >
> > Emit warnings when this function pointer form isn't used.
> >
> > Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
>
> Two comments below.

On Thu, Dec 26, 2013 at 02:16:10PM -0800, akpm@xxxxxxxxxxxxxxxxxxxx wrote:
> The patch titled
> Subject: checkpatch: add tests for function pointer style misuses
> has been added to the -mm tree. Its filename is
> checkpatch-add-tests-for-function-pointer-style-misuses.patch

Here's a patch that fixes the two messages I commented about, which
applies on top of the version of the patch that went into -mm.

---8<---
From: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
Subject: [PATCH] Fix up messages from "checkpatch: Add tests for function pointer style misuses"

Fix an ambiguity in one warning message and a copy/paste problem in
another.

Signed-off-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
---
scripts/checkpatch.pl | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2460094..b74b086 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2831,7 +2831,7 @@ sub process {
if (defined $pre_pointer_space &&
$pre_pointer_space =~ /^\s/) {
WARN("SPACING",
- "Unnecessary space after function pointer open parenthesis\n" . $herecurr);
+ "Unnecessary space between open parenthesis and '*' in function pointer declaration\n" . $herecurr);
}

# unnecessary space "type (* funcptr)(args...)"
@@ -2852,7 +2852,7 @@ sub process {
if (defined $pre_args_space &&
$pre_args_space =~ /^\s/) {
WARN("SPACING",
- "Unnecessary space before function pointer name\n" . $herecurr);
+ "Unnecessary space before function pointer argument list\n" . $herecurr);
}

if (show_type("SPACING") && $fix) {
--
1.8.5.2

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