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qcacmn: Add API to get first node of a list

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Add QDF API to get the first node of a linked list. If the
list is empty this API returns NULL.

Change-Id: I4569941f708634085904fd30a347facca543594a
CRs-Fixed: 3029987
This commit is contained in:
Edayilliam Jayadev
2021-09-04 13:19:08 +05:30
committed by Madan Koyyalamudi
parent 76ba042a40
commit 698478886e
2 changed files with 6 additions and 0 deletions
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3
qdf/inc/qdf_list.h
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@@ -107,6 +107,9 @@ static inline void qdf_list_create(__qdf_list_t *list, uint32_t max_size)
#define qdf_list_for_each_from(list_ptr, cursor, node_field) \ #define qdf_list_for_each_from(list_ptr, cursor, node_field) \
__qdf_list_for_each_from(list_ptr, cursor, node_field) __qdf_list_for_each_from(list_ptr, cursor, node_field)
#define qdf_list_first_entry_or_null(list_ptr, type, node_field) \
__qdf_list_first_entry_or_null(list_ptr, type, node_field)
/** /**
* qdf_init_list_head() - initialize list head * qdf_init_list_head() - initialize list head
* @list_head: pointer to list head * @list_head: pointer to list head

3
qdf/linux/src/i_qdf_list.h
View File

@@ -97,6 +97,9 @@ static inline uint32_t __qdf_list_max_size(__qdf_list_t *list)
#define __qdf_list_for_each_from(list_ptr, cursor, node_field) \ #define __qdf_list_for_each_from(list_ptr, cursor, node_field) \
list_for_each_entry_from(cursor, &(list_ptr)->anchor, node_field) list_for_each_entry_from(cursor, &(list_ptr)->anchor, node_field)
#define __qdf_list_first_entry_or_null(list_ptr, type, node_field) \
list_first_entry_or_null(&(list_ptr)->anchor, type, node_field)
/** /**
* __qdf_init_list_head() - initialize list head * __qdf_init_list_head() - initialize list head
* @list_head: pointer to list head * @list_head: pointer to list head