[PATCH] checkpatch: fix spurious vendor compatible warnings

[Florian Vaussard <florian.vaussard-p8DiymsW2f8@public.gmane.org>]

With a compatible string like

compatible = "foo";

checkpatch will currently try to find "foo" in  vendor-prefixes.txt,
which is wrong since the vendor prefix is empty in this specific case.

Skip the vendor test if the compatible is not like

compatible = "vendor,something";

Signed-off-by: Florian Vaussard <florian.vaussard-p8DiymsW2f8@public.gmane.org>
---
 scripts/checkpatch.pl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 464dcef..35ec185 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2058,6 +2058,7 @@ sub process {
 				my $vendor = $compat;
 				my $vendor_path = $dt_path . "vendor-prefixes.txt";
 				next if (! -f $vendor_path);
+				next if not $vendor =~ /^[a-zA-Z0-9]+\,.*/;
 				$vendor =~ s/^([a-zA-Z0-9]+)\,.*/$1/;
 				`grep -Eq "$vendor" $vendor_path`;
 				if ( $? >> 8 ) {
-- 
1.8.5.3

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