libsensors: Do not skip i2c adapters with only a class device and no

physical device. This change is required to survive the planned struct
class_dev removal from future 2.6 kernels.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@4326 7894878c-1315-0410-8ee3-d5d059ff63e0

CHANGES

@@ -2,6 +2,9 @@ lm_sensors CHANGES file
 -----------------------
 
 SVN HEAD
+  Library: Do not skip i2c adapters with only a class device and no
+            physical device. This change is required to survive the
+            planned struct class_dev removal from future 2.6 kernels.
   Man page i2cdetect.8: Scanning range can be restricted
   Module bmcsensors: Fix debugging messages
   Module i2c-ali1563: Improve the status messages (2.6 backport)

lib/sysfs.c

@@ -195,13 +195,12 @@ int sensors_read_sysfs_bus(void)
 		struct sysfs_device *dev;
 		struct sysfs_attribute *attr;
 
-		if (!(dev = sysfs_get_classdev_device(clsdev)))
-			continue;
 		/* Get the adapter name from the classdev "name" attribute
 		 * (Linux 2.6.20 and later). If it fails, fall back to
 		 * the device "name" attribute (for older kernels). */
 		if (!(attr = sysfs_get_classdev_attr(clsdev, "name"))
-		 && !(attr = sysfs_get_device_attr(dev, "name")))
+		 && !((dev = sysfs_get_classdev_device(clsdev)) &&
+		      (attr = sysfs_get_device_attr(dev, "name"))))
 			continue;
 
 		/* NB: attr->value[attr->len-1] == '\n'; chop that off */