From 722106833a2ec8165259c273d51774a309cefb5a Mon Sep 17 00:00:00 2001
From: Jean Delvare <jdelvare@suse.de>
Date: Sun, 3 May 2009 16:49:37 +0000
Subject: [PATCH] Be more robust against seek/read errors on sysfs.

git-svn-id: http://lm-sensors.org/svn/i2c-tools/trunk@5714 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 CHANGES             | 1 +
 eeprom/decode-dimms | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index 5a2c783..48cbfb8 100644
--- a/CHANGES
+++ b/CHANGES
@@ -10,6 +10,7 @@ SVN
                 Add side-by-side formatting option
                 Add merged cells formatting option
                 Try harder to decode the manufacturing date
+                Handle read errors on sysfs
   decode-xeon: Delete
   i2c-stub-from-dump: Use udev settle to speed up initialization
 
diff --git a/eeprom/decode-dimms b/eeprom/decode-dimms
index fe4e7fc..3f620a9 100755
--- a/eeprom/decode-dimms
+++ b/eeprom/decode-dimms
@@ -1557,8 +1557,10 @@ sub readspd($$$)
 		sysopen(HANDLE, "$dimm_i/eeprom", O_RDONLY)
 			or die "Cannot open $dimm_i/eeprom";
 		binmode HANDLE;
-		sysseek(HANDLE, $offset, SEEK_SET);
-		sysread(HANDLE, my $eeprom, $size);
+		sysseek(HANDLE, $offset, SEEK_SET)
+			or die "Cannot seek $dimm_i/eeprom";
+		sysread(HANDLE, my $eeprom, $size)
+			or die "Cannot read $dimm_i/eeprom";
 		close HANDLE;
 		@bytes = unpack("C*", $eeprom);
 	} else {