decode-dimms: Correctly check for out-of-bounds vendor ID

Contributed by Lubomir Rintel.


git-svn-id: http://lm-sensors.org/svn/i2c-tools/branches/i2c-tools-3.1@6300 7894878c-1315-0410-8ee3-d5d059ff63e0

2 files changed, 4 insertions, 1 deletions

diff --git a/CHANGES b/CHANGES
index 69f9853..00bbd32 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,9 @@
 i2c-tools CHANGES
 -----------------
 
+SVN-HEAD
+  decode-dimms: Correctly check for out-of-bounds vendor ID
+
 3.1.2 (2015-06-17)
   decode-dimms: Fix DDR3 extended temp range refresh rate decoding
   py-smbus: Add support for python 3
diff --git a/eeprom/decode-dimms b/eeprom/decode-dimms
index a088ba0..4781246 100755
--- a/eeprom/decode-dimms
+++ b/eeprom/decode-dimms
@@ -344,7 +344,7 @@ 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" :
+	return (($code & 0x7F) - 1 >= @{$vendors[$count & 0x7F]}) ? "Unknown" :
 		$vendors[$count & 0x7F][($code & 0x7F) - 1];
 }