hdaps: fix for -Wuninitialized

Trivial fix for some -Wuninitialized compiler warnings.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/platform/x86/hdaps.c b/drivers/platform/x86/hdaps.c
index 5a34973..ba68d4e 100644
--- a/drivers/platform/x86/hdaps.c
+++ b/drivers/platform/x86/hdaps.c
@@ -379,7 +379,7 @@
 	int ret;
 
 	ret = hdaps_readb_one(HDAPS_PORT_TEMP1, &temp);
-	if (ret < 0)
+	if (ret)
 		return ret;
 
 	return sprintf(buf, "%u\n", temp);
@@ -392,7 +392,7 @@
 	int ret;
 
 	ret = hdaps_readb_one(HDAPS_PORT_TEMP2, &temp);
-	if (ret < 0)
+	if (ret)
 		return ret;
 
 	return sprintf(buf, "%u\n", temp);