From 8d061278d3854fee9f907e31e0f3298263e84d82 Mon Sep 17 00:00:00 2001
From: Peter Xu <peterx@redhat.com>
Date: Fri, 26 Apr 2019 14:27:05 +0800
Subject: [PATCH] checkpatch: allow SPDX-License-Identifier

According to: https://spdx.org/ids-how, let's still allow QEMU to use
the SPDX license identifier:

// SPDX-License-Identifier: ***

CC: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20190426062705.4651-1-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 scripts/checkpatch.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 88682cb0a9..c2aaf421da 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1949,7 +1949,8 @@ sub process {
 		}
 
 # no C99 // comments
-		if ($line =~ m{//}) {
+		if ($line =~ m{//} &&
+		    $rawline !~ m{// SPDX-License-Identifier: }) {
 			ERROR("do not use C99 // comments\n" . $herecurr);
 		}
 		# Remove C99 comments.