From: Jean Delvare <jdelvare@suse.de>
Date: Thu, 23 Jun 2016 18:59:07 +0200
Subject: decode-dimms: Correctly check for out-of-bounds vendor ID
Upstream: yes
Git-commit: 2b4135907c1aa27edeb397e62b67386ff5d7d3d5

---
 eeprom/decode-dimms |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

--- i2c-tools-3.1.2.orig/eeprom/decode-dimms	2017-07-06 12:55:49.998319548 +0200
+++ i2c-tools-3.1.2/eeprom/decode-dimms	2017-07-06 12:55:51.398337567 +0200
@@ -343,9 +343,11 @@ sub manufacturer_ddr3($$)
 {
 	my ($count, $code) = @_;
 	return "Invalid" if parity($count) != 1;
-	return "Invalid" if parity($code) != 1;
-	return (($code & 0x7F) - 1 > $vendors[$count & 0x7F]) ? "Unknown" :
-		$vendors[$count & 0x7F][($code & 0x7F) - 1];
+	return "Invalid" if parity($code) != 1
+			 or ($code & 0x7F) == 0;
+	return "Unknown" if ($count & 0x7F) >= @vendors
+			 or ($code & 0x7F) - 1 >= @{$vendors[$count & 0x7F]};
+	return $vendors[$count & 0x7F][($code & 0x7F) - 1];
 }
 
 sub manufacturer(@)