The MISSING_BREAK / fallthrough test does not support
gcc's extension for case labels with ranges.

Add it.

Signed-off-by: Joe Perches <j...@perches.com>
Reported-by: Lee Jones <lee.jo...@linaro.org>
---
 scripts/checkpatch.pl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index dc72a9b..2258497 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4767,7 +4767,7 @@ sub process {
                }
 
 # check for case / default statements not preceeded by break/fallthrough/switch
-               if ($line =~ 
/^.\s*(?:case\s+(?:$Ident|$Constant)\s*|default):/) {
+               if ($line =~ 
/^.\s*(?:case\s+(?:$Ident|$Constant)\s*(?:\.\.\.\s*(?:$Ident|$Constant)\s*)?|default):/)
 {
                        my $has_break = 0;
                        my $has_statement = 0;
                        my $count = 0;
@@ -4778,7 +4778,7 @@ sub process {
                                my $fline = $lines[$prevline - 1];
                                last if ($fline =~ /^\@\@/);
                                next if ($fline =~ /^\-/);
-                               next if ($fline =~ 
/^.(?:\s*(?:case\s+(?:$Ident|$Constant)[\s$;]*|default):[\s$;]*)*$/);
+                               next if ($fline =~ 
/^.(?:\s*(?:case\s+(?:$Ident|$Constant(?:\s*\.\.\.\s*(?:$Ident|$Constant))?)[\s$;]*|default):[\s$;]*)*$/);
                                $has_break = 1 if ($rline =~ 
/fall[\s_-]*(through|thru)/i);
                                next if ($fline =~ /^.[\s$;]*$/);
                                $has_statement = 1;


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