Subject: [merged] checkpatch-add-tests-for-function-pointer-style-misuses.patch removed from -mm tree
To: joe@xxxxxxxxxxx,apw@xxxxxxxxxxxx,d.roc16@xxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Fri, 24 Jan 2014 11:01:59 -0800
The patch titled
Subject: checkpatch: add tests for function pointer style misuses
has been removed from the -mm tree. Its filename was
checkpatch-add-tests-for-function-pointer-style-misuses.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Joe Perches <joe@xxxxxxxxxxx>
Subject: checkpatch: add tests for function pointer style misuses
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>
Cc: Andy Whitcroft <apw@xxxxxxxxxxxx>
Cc: Derek Perrin <d.roc16@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/checkpatch.pl | 59 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
diff -puN scripts/checkpatch.pl~checkpatch-add-tests-for-function-pointer-style-misuses scripts/checkpatch.pl
--- a/scripts/checkpatch.pl~checkpatch-add-tests-for-function-pointer-style-misuses
+++ a/scripts/checkpatch.pl
@@ -2811,6 +2811,65 @@ sub process {
}
}
+# Function pointer declarations
+# check spacing between type, funcptr, and args
+# canonical declaration is "type (*funcptr)(args...)"
+#
+# the $Declare variable will capture all spaces after the type
+# so check it for trailing missing spaces or multiple spaces
+ if ($line =~ /^.\s*($Declare)\((\s*)\*(\s*)$Ident(\s*)\)(\s*)\(/) {
+ my $declare = $1;
+ my $pre_pointer_space = $2;
+ my $post_pointer_space = $3;
+ my $funcname = $4;
+ my $post_funcname_space = $5;
+ my $pre_args_space = $6;
+
+ if ($declare !~ /\s$/) {
+ WARN("SPACING",
+ "missing space after return type\n" . $herecurr);
+ }
+
+# unnecessary space "type (*funcptr)(args...)"
+ elsif ($declare =~ /\s{2,}$/) {
+ WARN("SPACING",
+ "Multiple spaces after return type\n" . $herecurr);
+ }
+
+# unnecessary space "type ( *funcptr)(args...)"
+ if (defined $pre_pointer_space &&
+ $pre_pointer_space =~ /^\s/) {
+ WARN("SPACING",
+ "Unnecessary space after function pointer open parenthesis\n" . $herecurr);
+ }
+
+# unnecessary space "type (* funcptr)(args...)"
+ if (defined $post_pointer_space &&
+ $post_pointer_space =~ /^\s/) {
+ WARN("SPACING",
+ "Unnecessary space before function pointer name\n" . $herecurr);
+ }
+
+# unnecessary space "type (*funcptr )(args...)"
+ if (defined $post_funcname_space &&
+ $post_funcname_space =~ /^\s/) {
+ WARN("SPACING",
+ "Unnecessary space after function pointer name\n" . $herecurr);
+ }
+
+# unnecessary space "type (*funcptr) (args...)"
+ if (defined $pre_args_space &&
+ $pre_args_space =~ /^\s/) {
+ WARN("SPACING",
+ "Unnecessary space before function pointer arguments\n" . $herecurr);
+ }
+
+ if (show_type("SPACING") && $fix) {
+ $fixed[$linenr - 1] =~
+ s/^(.\s*$Declare)\(\s*\*\s*($Ident)\s*\)\s*\(/rtrim($1) . " " . "\(\*$2\)\("/ex;
+ }
+ }
+
# check for spacing round square brackets; allowed:
# 1. with a type on the left -- int [] a;
# 2. at the beginning of a line for slice initialisers -- [0...10] = 5,
_
Patches currently in -mm which might be from joe@xxxxxxxxxxx are
origin.patch
lib-genallocc-add-check-gen_pool_dma_alloc-if-dma-pointer-is-not-null.patch
ipc-whitespace-cleanup.patch
linux-next.patch
softirq-use-ffs-in-__do_softirq.patch
softirq-convert-printks-to-pr_level.patch
softirq-use-const-char-const-for-softirq_to_name-whitespace-neatening.patch
checkpatchpl-check-for-function-declarations-without-arguments.patch
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