DivestOS/Patches/Linux_CVEs/CVE-2016-6745/ANY/0.patch
2017-10-29 22:14:37 -04:00

63 lines
2.2 KiB
Diff

From 80dd4267f644c7ba9657df52f6bce42f0bef1b4e Mon Sep 17 00:00:00 2001
From: Andrew Chant <achant@google.com>
Date: Wed, 14 Sep 2016 15:25:23 -0700
Subject: [PATCH] input: synaptics: defer sysfs creation during init
sysfs entries are created which reference fwu->fwu_work.
defer the creation of these sysfs entries until the end of the init
function, after fwu->fwu_work has been initialized.
Change-Id: Ib7d5304ec2990454486e2b1d28b640a174c83d12
Bug: 31252388
Signed-off-by: Andrew Chant <achant@google.com>
---
drivers/input/touchscreen/synaptics_fw_update.c | 28 ++++++++++++-------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/input/touchscreen/synaptics_fw_update.c b/drivers/input/touchscreen/synaptics_fw_update.c
index 170a202590ad4..79b3a780550b8 100644
--- a/drivers/input/touchscreen/synaptics_fw_update.c
+++ b/drivers/input/touchscreen/synaptics_fw_update.c
@@ -2325,7 +2325,20 @@ static int synaptics_rmi4_fwu_init(struct synaptics_rmi4_data *rmi4_data)
fwu->initialized = true;
fwu->polling_mode = false;
- retval = sysfs_create_bin_file(&rmi4_data->i2c_client->dev.kobj,
+ fwu->ts_info = kzalloc(RMI4_INFO_MAX_LEN, GFP_KERNEL);
+ if (!fwu->ts_info) {
+ dev_err(&rmi4_data->i2c_client->dev, "Not enough memory\n");
+ goto exit_free_ts_info;
+ }
+
+ synaptics_rmi4_update_debug_info();
+
+#ifdef INSIDE_FIRMWARE_UPDATE
+ fwu->fwu_workqueue = create_singlethread_workqueue("fwu_workqueue");
+ INIT_DELAYED_WORK(&fwu->fwu_work, synaptics_rmi4_fwu_work);
+#endif
+
+ retval = sysfs_create_bin_file(&rmi4_data->i2c_client->dev.kobj,
&dev_attr_data);
if (retval < 0) {
dev_err(&rmi4_data->i2c_client->dev,
@@ -2357,19 +2370,6 @@ static int synaptics_rmi4_fwu_init(struct synaptics_rmi4_data *rmi4_data)
goto exit_remove_attrs;
}
- fwu->ts_info = kzalloc(RMI4_INFO_MAX_LEN, GFP_KERNEL);
- if (!fwu->ts_info) {
- dev_err(&rmi4_data->i2c_client->dev, "Not enough memory\n");
- goto exit_free_ts_info;
- }
-
- synaptics_rmi4_update_debug_info();
-
-#ifdef INSIDE_FIRMWARE_UPDATE
- fwu->fwu_workqueue = create_singlethread_workqueue("fwu_workqueue");
- INIT_DELAYED_WORK(&fwu->fwu_work, synaptics_rmi4_fwu_work);
-#endif
-
return 0;
exit_free_ts_info:
debugfs_remove(temp);