Use sizeof(*dev) + sizeof(*hw) instead of sizeof(struct mei_device) + sizeof(struct mei_me_hw)
There is a possibility of bug when variable type has changed but corresponding struct passed to the sizeof has not. Cc: Gustavo A. R. Silva <[email protected]> Signed-off-by: Tomas Winkler <[email protected]> --- drivers/misc/mei/hw-me.c | 5 ++--- drivers/misc/mei/hw-txe.c | 5 ++--- 2 files changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index c51d3da8f333..7692b69abcb5 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2003-2019, Intel Corporation. All rights reserved. + * Copyright (c) 2003-2020, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -1600,8 +1600,7 @@ struct mei_device *mei_me_dev_init(struct device *parent, struct mei_me_hw *hw; int i; - dev = devm_kzalloc(parent, sizeof(struct mei_device) + - sizeof(struct mei_me_hw), GFP_KERNEL); + dev = devm_kzalloc(parent, sizeof(*dev) + sizeof(*hw), GFP_KERNEL); if (!dev) return NULL; diff --git a/drivers/misc/mei/hw-txe.c b/drivers/misc/mei/hw-txe.c index 785b260b3ae9..a4e854b9b9e6 100644 --- a/drivers/misc/mei/hw-txe.c +++ b/drivers/misc/mei/hw-txe.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2013-2019, Intel Corporation. All rights reserved. + * Copyright (c) 2013-2020, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -1201,8 +1201,7 @@ struct mei_device *mei_txe_dev_init(struct pci_dev *pdev) struct mei_device *dev; struct mei_txe_hw *hw; - dev = devm_kzalloc(&pdev->dev, sizeof(struct mei_device) + - sizeof(struct mei_txe_hw), GFP_KERNEL); + dev = devm_kzalloc(&pdev->dev, sizeof(*dev) + sizeof(*hw), GFP_KERNEL); if (!dev) return NULL; -- 2.25.4
