函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\sed-opal.c Create Date:2022-07-27 19:47:58
Last Modify:2020-03-17 23:36:33 Copyright©Brick
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函数名称：opal_set_new_pw

函数原型：static int opal_set_new_pw(struct opal_dev *dev, struct opal_new_pw *opal_pw)

返回类型：int

参数：

类型参数名称
struct opal_dev *dev
struct opal_new_pw *opal_pw
2478  const struct opal_step pw_steps[] = {{start_auth_opal_session, & session}, {set_new_pw, & When we're not operating in sum, and we first set * passwords we need to set them via ADMIN authority. * After passwords are changed, we can set them via, * User authorities. * Because of this restriction we need to know about * Two different users. One i}, {end_opal_session, }}
2485  如果who大于OPAL_USER9或who大于OPAL_USER9则返回:负EINVAL
2489  mutex_lock( & dev_lock)
2490  setup_opal_dev(dev)
2491  ret等于execute_steps(dev, pw_steps, ARRAY_SIZE - get the number of elements in array @arr*@arr: array to be sized(pw_steps))
2492  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
2494  返回:ret
调用者
名称描述
sed_ioctl