Function report |
Source Code:security\keys\user_defined.c |
Create Date:2022-07-28 18:24:41 |
Last Modify:2020-03-18 08:02:01 | Copyright©Brick |
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Name:pdate a user defined key* - the key's semaphore is write-locked
Proto:int user_update(struct key *key, struct key_preparsed_payload *prep)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct key * | key | |
struct key_preparsed_payload * | prep |
103 | struct user_key_payload * zap = NULL |
107 | ret = key_payload_reserve - Adjust data quota reservation for the key's payload*@key: The key to make the reservation for |
115 | rcu_assign_keypointer(key, Raw data [0]) |
116 | Raw data [0] = NULL |
118 | If zap Then Post an RCU callback to be invoked after the end of an RCU grace* period. But since we have but one CPU, that would be after any* quiescent state. |
120 | Return ret |
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