esoc: Add check for possible null pointer returns
The call to kasprintf() can fail, with a failure to
allocate memory. Handle the condition appropriately.
CRs-Fixed: 1014400
Change-Id: I83d3a6c8bdfd7a104b88a3bedd50f49faeecd97a
Signed-off-by: Hanumant Singh <hanumant@codeaurora.org>
diff --git a/drivers/esoc/esoc_client.c b/drivers/esoc/esoc_client.c
index 5b194e31..b9d6833 100644
--- a/drivers/esoc/esoc_client.c
+++ b/drivers/esoc/esoc_client.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -48,6 +48,8 @@
for (index = 0;; index++) {
esoc_prop = kasprintf(GFP_KERNEL, "esoc-%d", index);
+ if (IS_ERR_OR_NULL(esoc_prop))
+ return ERR_PTR(-ENOMEM);
parp = of_get_property(np, esoc_prop, NULL);
if (parp == NULL) {
dev_err(dev, "esoc device not present\n");