Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\fail_function.c Create Date:2022-07-28 11:36:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:fei_retval_get

Proto:static int fei_retval_get(void *data, u64 *val)

Type:int

Parameter:

TypeParameterName
void *data
u64 *val
139  attr = data
140  err = 0
142  mutex_lock( & fei_lock)
144  If Not fei_attr_is_valid(attr) Then err = -ENOENT
146  Else val = retval
148  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.
150  Return err