Check for multiple occurrences

All occurrences of the sysctl settings must have the correct value.
It isn't enough to have one correct entry to pass. If there are
multiple entries and one of them has incorrect value we need to
fail.

shared/templates/sysctl/sce-bash.template

@@ -22,10 +22,15 @@ function pass_if_set_correctly()
         found_value=$(grep -P "$regex" $files | sed -E "s/$regex/\1/")
         if [[ -n "$found_value" ]] ; then
             if [[ "$found_value" == "$expected_value" ]] ; then
-                return 0
+                found=1
+            else
+                return 1
             fi
         fi
     done
+    if [[ $found == 1 ]] ; then
+        return 0
+    fi
     return 1
 }