nfs: Fix leak of opts in nfs_file_open

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

diff --git a/block/nfs.c b/block/nfs.c
index 93d87f3..194f301 100644 (file)
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -393,16 +393,20 @@ static int nfs_file_open(BlockDriverState *bs, QDict *options, int flags,
     qemu_opts_absorb_qdict(opts, options, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
-        return -EINVAL;
+        ret = -EINVAL;
+        goto out;
     }
     ret = nfs_client_open(client, qemu_opt_get(opts, "filename"),
                           (flags & BDRV_O_RDWR) ? O_RDWR : O_RDONLY,
                           errp);
     if (ret < 0) {
-        return ret;
+        goto out;
     }
     bs->total_sectors = ret;
-    return 0;
+    ret = 0;
+out:
+    qemu_opts_del(opts);
+    return ret;
 }
 
 static int nfs_file_create(const char *url, QemuOpts *opts, Error **errp)