From 70bb3c495e7d67f6076b571ab9b4ff18b9cde3d3 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Sat, 25 Feb 2006 21:32:26 +0000
Subject: [PATCH] Fix device scan when no i2c support exists or no i2c bus
 driver is loaded.

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@3261 7894878c-1315-0410-8ee3-d5d059ff63e0
---
 lib/sysfs.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/sysfs.c b/lib/sysfs.c
index fe13c6d7..88bcd02d 100644
--- a/lib/sysfs.c
+++ b/lib/sysfs.c
@@ -22,6 +22,7 @@
 
 #include <string.h>
 #include <limits.h>
+#include <errno.h>
 #include <sysfs/libsysfs.h>
 #include "data.h"
 #include "error.h"
@@ -171,12 +172,14 @@ int sensors_read_sysfs_bus(void)
 	int ret = 0;
 
 	if (!(cls = sysfs_open_class("i2c-adapter"))) {
-		ret = -SENSORS_ERR_PROC;
+		if (errno && errno != ENOENT)
+			ret = -SENSORS_ERR_PROC;
 		goto exit0;
 	}
 
 	if (!(clsdevs = sysfs_get_class_devices(cls))) {
-		ret = -SENSORS_ERR_PROC;
+		if (errno)
+			ret = -SENSORS_ERR_PROC;
 		goto exit1;
 	}