mount: relabel both before and after a mount, just in case

[elogind.git] / src / util.c

diff --git a/src/util.c b/src/util.c
index a1686ed3892deffa3f7776073c132a49c0cdf5e2..5daafdf7c2088d78d19fe93b05629bc83d22e87e 100644 (file)
--- a/src/util.c
+++ b/src/util.c
@@ -513,7 +513,16 @@ int write_one_line_file(const char *fn, const char *line) {
         if (!endswith(line, "\n"))
                 fputc('\n', f);
 
-        r = 0;
+        fflush(f);
+
+        if (ferror(f)) {
+                if (errno != 0)
+                        r = -errno;
+                else
+                        r = -EIO;
+        } else
+                r = 0;
+
 finish:
         fclose(f);
         return r;