From: Todd Poynor <toddpoynor@google.com>
Date: Tue, 17 Jul 2018 20:56:48 +0000 (-0700)
Subject: staging: gasket: Remove stale pointers on error allocating attr array
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=03c25b3ad0405063f8e82871cfaef627dff4d26b;p=openwrt%2Fstaging%2Fblogic.git

staging: gasket: Remove stale pointers on error allocating attr array

If gasket_sysfs_create_mapping() hits errors allocating the attribute
array, remove stale pointers to device info from the mapping object.

Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/gasket/gasket_sysfs.c b/drivers/staging/gasket/gasket_sysfs.c
index dd4d3aaa57e2..1c5f7502e0d5 100644
--- a/drivers/staging/gasket/gasket_sysfs.c
+++ b/drivers/staging/gasket/gasket_sysfs.c
@@ -225,6 +225,8 @@ int gasket_sysfs_create_mapping(
 	mapping->attribute_count = 0;
 	if (!mapping->attributes) {
 		gasket_nodev_error("Unable to allocate sysfs attribute array.");
+		mapping->device = NULL;
+		mapping->gasket_dev = NULL;
 		mutex_unlock(&mapping->mutex);
 		mutex_unlock(&function_mutex);
 		return -ENOMEM;