Merge remote-tracking branch 'remotes/mdroth/tags/qga-pull-2018-07-16-tag' into staging

qemu-ga patch queue for hard-freeze

* fix file descriptor leak in suspend command
* fix leak in guest-get-fsinfo

# gpg: Signature made Mon 16 Jul 2018 22:41:41 BST
# gpg:                using RSA key 3353C9CEF108B584
# gpg: Good signature from "Michael Roth <flukshun@gmail.com>"
# gpg:                 aka "Michael Roth <mdroth@utexas.edu>"
# gpg:                 aka "Michael Roth <mdroth@linux.vnet.ibm.com>"
# Primary key fingerprint: CEAC C9E1 5534 EBAB B82D  3FA0 3353 C9CE F108 B584

* remotes/mdroth/tags/qga-pull-2018-07-16-tag:
  qga: fix file descriptor leak
  qga: fix 'driver' leak in guest-get-fsinfo
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

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;
     }