diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 233f78a406..37e8a2d791 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -890,6 +890,7 @@ static void build_guest_fsinfo_for_real_device(char const *syspath,
             break;
         }
 
+        g_free(driver);
         if (sscanf(p, "/%x:%x:%x.%x%n",
                           pci, pci + 1, pci + 2, pci + 3, &pcilen) == 4) {
             p += pcilen;
@@ -1651,6 +1652,7 @@ static bool linux_sys_state_supports_mode(SuspendMode mode, Error **errp)
     }
 
     ret = read(fd, buf, sizeof(buf) - 1);
+    close(fd);
     if (ret <= 0) {
         return false;
     }