Unverified Commit 8efb6c32 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12593 pinctrl: single: fix potential NULL dereference in pcs_get_function() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhang Zekun <zhangzekun11@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/6CPJLGVPGURXH2AUCJ4BJYXZBHMDMDB2/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAR49K 
 
Link:https://gitee.com/openeuler/kernel/pulls/12593

 

Reviewed-by: default avatarWeilong Chen <chenweilong@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 4bd5ca1c 9a8aadb7

drivers/pinctrl/pinctrl-single.c

+2 −0
Original line number Diff line number Diff line
@@ -323,6 +323,8 @@ static int pcs_get_function(struct pinctrl_dev *pctldev, unsigned pin, 
		return -ENOTSUPP;

	fselector = setting->func;

	function = pinmux_generic_get_function(pctldev, fselector);

	if (!function)

		return -EINVAL;

	*func = function->data;

	if (!(*func)) {

		dev_err(pcs->dev, "%s could not find function%i\n",