[PATCH for-5.2] qga: fix missing closedir() in qmp_guest_get_disks()

[Michael Roth]

We opendir("/sys/block") at the beginning of the function, but we never
close it prior to returning.

Fixes: Coverity CID 1436130
Fixes: fed3956429d5 ("qga: add implementation of guest-get-disks for Linux")
Reported-by: Peter Maydell <peter.mayd...@linaro.org>
Cc: Marc-André Lureau <marcandre.lur...@redhat.com>
Cc: Tomáš Golembiovský <tgole...@redhat.com>
Signed-off-by: Michael Roth <michael.r...@amd.com>
---
 qga/commands-posix.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 3711080d07..12c1ba5ef7 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -1443,6 +1443,9 @@ GuestDiskInfoList *qmp_guest_get_disks(Error **errp)
         get_disk_deps(disk_dir, disk);
         ret = get_disk_partitions(ret, de->d_name, disk_dir, dev_name);
     }
+
+    closedir(dp);
+
     return ret;
 }
 
-- 
2.25.1