1 files changed, 3 insertions, 1 deletions
diff --git a/src/util/os_file.c b/src/util/os_file.c
index 246fd32fdf6..da17d12b50e 100644
--- a/src/util/os_file.c
+++ b/src/util/os_file.c
@@ -29,8 +29,10 @@ readN(int fd, char *buf, size_t len)
       if (ret == -EINTR || ret == -EAGAIN)
          continue;
 
-      if (ret <= 0)
+      if (ret <= 0) {
+         err = ret;
          break;
+      }
 
       total += ret;
    } while (total != len);