[PATCH] checkpatch: Fix function pointers in blank line needed after declarations test

[Joe Perches <joe@perches.com>]

Add a function pointer declaration check to the
test for blank line needed after declarations.

Reported-by: Bruce W Allan <bruce.w.allan@intel.com>
Signed-off-by: Joe Perches <joe@perches.com>
---
On Fri, 2014-06-06 at 17:23 +0000, Allan, Bruce W wrote:
> > WARNING: Missing a blank line after declarations
> > #318: FILE: drivers/crypto/qat/qat_common/adf_accel_devices.h:140:
> > +	struct adf_hw_device_class *dev_class;
> > +	uint32_t (*get_accel_mask)(uint32_t fuse);
> 
> This one is a false positive from checkpatch

 scripts/checkpatch.pl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 010b18e..f4b8911 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2295,6 +2295,8 @@ sub process {
 		if ($sline =~ /^\+\s+\S/ &&			#Not at char 1
 			# actual declarations
 		    ($prevline =~ /^\+\s+$Declare\s*$Ident\s*[=,;:\[]/ ||
+			# function pointer declarations
+		     $prevline =~ /^\+\s+$Declare\s*\(\s*\*\s*$Ident\s*\)\s*[=,;:\[\(]/ ||
 			# foo bar; where foo is some local typedef or #define
 		     $prevline =~ /^\+\s+$Ident(?:\s+|\s*\*\s*)$Ident\s*[=,;\[]/ ||
 			# known declaration macros
@@ -2307,6 +2309,8 @@ sub process {
 		      $prevline =~ /(?:\{\s*|\\)$/) &&
 			# looks like a declaration
 		    !($sline =~ /^\+\s+$Declare\s*$Ident\s*[=,;:\[]/ ||
+			# function pointer declarations
+		      $sline =~ /^\+\s+$Declare\s*\(\s*\*\s*$Ident\s*\)\s*[=,;:\[\(]/ ||
 			# foo bar; where foo is some local typedef or #define
 		      $sline =~ /^\+\s+$Ident(?:\s+|\s*\*\s*)$Ident\s*[=,;\[]/ ||
 			# known declaration macros