evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge "i2c-msm-v2: Add NULL pointer check on i2c messages"

Browse source
This commit is contained in:
Linux Build Service Account 2019-09-05 23:59:03 -07:00 • committed by Gerrit - the friendly Code Review server
commit f2a437b52b
1 changed files with 8 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
drivers/i2c/busses/i2c-msm-v2.c
View file

@ -1,4 +1,4 @@
/* Copyright (c) 2014-2018, The Linux Foundation. All rights reserved.
/* Copyright (c) 2014-2019, 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
@ -2155,8 +2155,12 @@ static bool i2c_msm_xfer_next_buf(struct i2c_msm_ctrl *ctrl)
{
struct i2c_msm_xfer_buf *cur_buf = &ctrl->xfer.cur_buf;
struct i2c_msg *cur_msg = ctrl->xfer.msgs + cur_buf->msg_idx;
int bc_rem = cur_msg->len - cur_buf->end_idx;
int bc_rem = 0;
if (!cur_msg)
return false;
bc_rem = cur_msg->len - cur_buf->end_idx;
if (cur_buf->is_init && cur_buf->end_idx && bc_rem) {
/* not the first buffer in a message */
@ -2330,17 +2334,12 @@ i2c_msm_frmwrk_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
struct i2c_msm_ctrl *ctrl = i2c_get_adapdata(adap);
struct i2c_msm_xfer *xfer = &ctrl->xfer;
if (num < 1) {
if (IS_ERR_OR_NULL(msgs) || num < 1) {
dev_err(ctrl->dev,
"error on number of msgs(%d) received\n", num);
"Error on msgs Accessing invalid message pointer or message buffer\n");
return -EINVAL;
}
if (IS_ERR_OR_NULL(msgs)) {
dev_err(ctrl->dev, " error on msgs Accessing invalid pointer location\n");
return PTR_ERR(msgs);
}
/* if system is suspended just bail out */
if (ctrl->pwr_state == I2C_MSM_PM_SYS_SUSPENDED) {
dev_err(ctrl->dev,