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 19:47:46
Last Modify:2020-03-17 23:36:33 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：opal_add_user_to_lr

函数原型：static int opal_add_user_to_lr(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk)

返回类型：int

参数：

类型参数名称
struct opal_dev *dev
struct opal_lock_unlock *lk_unlk
2296  const struct opal_step steps[] = {{start_admin1LSP_opal_session, & opal_key}, {add_user_to_lr, lk_unlk}, {end_opal_session, }}
2303  如果l_state不等于 0001 且l_state不等于 0010 则
2305  pr_debug("Locking state was not RO or RW\n")
2306  返回:负EINVAL
2309  如果who小于OPAL_USER1或who大于OPAL_USER9则
2311  pr_debug("Authority was not within the range of users: %d\n", who)
2313  返回:负EINVAL
2316  如果sum则
2317  pr_debug("%s not supported in sum. Use setup locking range\n", __func__)
2319  返回:负EINVAL
2322  mutex_lock( & dev_lock)
2323  setup_opal_dev(dev)
2324  ret等于execute_steps(dev, steps, ARRAY_SIZE - get the number of elements in array @arr*@arr: array to be sized(steps))
2325  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.
2327  返回:ret
调用者
名称描述
sed_ioctl