pulsecore: use r returned from fgets()

diff --git a/src/pulsecore/core-util.c b/src/pulsecore/core-util.c
index 61f9a65..432ee3b 100644 (file)
--- a/src/pulsecore/core-util.c
+++ b/src/pulsecore/core-util.c
@@ -2459,7 +2459,7 @@ char *pa_machine_id(void) {
 
         pa_strip_nl(ln);
 
-        if (ln[0])
+        if (r && ln[0])
             return pa_xstrdup(ln);
     }