tegra: dc: fix coverity RESOURCE_LEAK in dsi.c

fix resource leak to incorrect freeing before allocation

Coverity ID: 36307
Coverity ID: 36308
Coverity ID: 36310

Bug 200192413

Change-Id: I88528fc7b70939391d4c35bca09716f45e0947e9
Signed-off-by: Ishwarya Balaji Gururajan <igururajan@nvidia.com>
Reviewed-on: http://git-master/r/1272168
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Daniel Solomon <daniels@nvidia.com>
Reviewed-by: Mitch Luban <mluban@nvidia.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/video/tegra/dc/dsi.c b/drivers/video/tegra/dc/dsi.c
index 0399fc91e..a3338364d 100644
--- a/drivers/video/tegra/dc/dsi.c
+++ b/drivers/video/tegra/dc/dsi.c
@@ -1,7 +1,7 @@
 /*
  * drivers/video/tegra/dc/dsi.c
  *
- * Copyright (c) 2011-2016, NVIDIA CORPORATION, All rights reserved.
+ * Copyright (c) 2011-2017, NVIDIA CORPORATION, All rights reserved.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -2837,16 +2837,16 @@ static struct dsi_status *tegra_dsi_save_state_switch_to_host_cmd_mode(
         struct dsi_status *init_status = NULL;
         int err;
 
+        init_status = kzalloc(sizeof(*init_status), GFP_KERNEL);
+        if (!init_status)
+                return ERR_PTR(-ENOMEM);
+
         if (dsi->status.init != DSI_MODULE_INIT ||
                 dsi->status.lphs == DSI_LPHS_NOT_INIT) {
                 err = -EPERM;
                 goto fail;
         }
 
-        init_status = kzalloc(sizeof(*init_status), GFP_KERNEL);
-        if (!init_status)
-                return ERR_PTR(-ENOMEM);
-
         *init_status = dsi->status;
 
         if (dsi->info.hs_cmd_mode_supported) {