i2c-ivc: fix memory leak.

allocate object when condion for
its use meet.

This fix coverity issue: 2877309

Bug 2028892 

Change-Id: Ib87bc5f9192bd8f7428fff43384e2465da4434d2
Signed-off-by: Achal Verma <achalv@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2313490
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Dmitry Pervushin <dpervushin@nvidia.com>
Reviewed-by: Phoenix Jung <pjung@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/i2c/busses/i2c-ivc-multi.c b/drivers/i2c/busses/i2c-ivc-multi.c
index 6239f6b7a..1722abfea 100644
--- a/drivers/i2c/busses/i2c-ivc-multi.c
+++ b/drivers/i2c/busses/i2c-ivc-multi.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017 NVIDIA Corporation.  All rights reserved.
+ * Copyright (C) 2017-2020 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
@@ -106,11 +106,11 @@ struct tegra_i2c_rtcpu_sensor *tegra_i2c_rtcpu_register_sensor(
         struct device_node *np_mux, *np_i2c;
         struct tegra_i2c_ivc_multi_dev *i2c_ivc_dev;
 
-        sensor = kzalloc(sizeof(*sensor), GFP_KERNEL);
-        if (sensor == NULL)
+        if (config->reg_bytes <= 0 || config->reg_bytes > 2)
                 return NULL;
 
-        if (config->reg_bytes <= 0 || config->reg_bytes > 2)
+        sensor = kzalloc(sizeof(*sensor), GFP_KERNEL);
+        if (sensor == NULL)
                 return NULL;
 
         sensor->config = *config;