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Code Issues Projects Releases Wiki Activity

coresight: fix the dangling pointer issues on coresight 

Fix the dangling pointer issues on CoreSight that can cause kernel
panic.

Change-Id: If3abe89bf0326230c29a49d293ab22ebcec93076
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>
This commit is contained in:
Charan Teja Reddy 2016-09-08 20:47:55 +05:30 committed by Gerrit - the friendly Code Review server
parent ff2f604611
commit 2c23067f45
3 changed files with 11 additions and 9 deletions
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7
drivers/coresight/coresight-csr.c
View File

@ -1,4 +1,4 @@
/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
/* Copyright (c) 2012-2013,2016 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
@ -195,8 +195,6 @@ static int csr_probe(struct platform_device *pdev)
drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
/* Store the driver data pointer for use in exported functions */
csrdrvdata = drvdata;
drvdata->dev = &pdev->dev;
platform_set_drvdata(pdev, drvdata);
@ -227,6 +225,9 @@ static int csr_probe(struct platform_device *pdev)
if (IS_ERR(drvdata->csdev))
return PTR_ERR(drvdata->csdev);
/* Store the driver data pointer for use in exported functions */
csrdrvdata = drvdata;
dev_info(dev, "CSR initialized\n");
return 0;
}

7
drivers/coresight/coresight-fuse.c
View File

@ -1,4 +1,4 @@
/* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
/* Copyright (c) 2013-2016, 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
@ -305,8 +305,6 @@ static int fuse_probe(struct platform_device *pdev)
drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
/* Store the driver data pointer for use in exported functions */
fusedrvdata = drvdata;
drvdata->dev = &pdev->dev;
platform_set_drvdata(pdev, drvdata);
@ -370,6 +368,9 @@ static int fuse_probe(struct platform_device *pdev)
if (IS_ERR(drvdata->csdev))
return PTR_ERR(drvdata->csdev);
/* Store the driver data pointer for use in exported functions */
fusedrvdata = drvdata;
dev_info(dev, "Fuse initialized\n");
return 0;
}

6
drivers/soc/qcom/jtag-fuse.c
View File

@ -1,4 +1,4 @@
/* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
/* Copyright (c) 2013-2016, 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
@ -152,8 +152,6 @@ static int jtag_fuse_probe(struct platform_device *pdev)
drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)
return -ENOMEM;
/* Store the driver data pointer for use in exported functions */
fusedrvdata = drvdata;
drvdata->dev = &pdev->dev;
platform_set_drvdata(pdev, drvdata);
@ -174,6 +172,8 @@ static int jtag_fuse_probe(struct platform_device *pdev)
if (!drvdata->base)
return -ENOMEM;
/* Store the driver data pointer for use in exported functions */
fusedrvdata = drvdata;
dev_info(dev, "JTag Fuse initialized\n");
return 0;
}