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Optimize lld_remove() a bit 

Just need to check prev and next for NULL to know whether to mess
with the head and/or tail pointers.

Change-Id: I0aee057111e11735b7806e7214af0a6038f0ab53
This commit is contained in:
Michael Sevakis 2017-04-13 18:56:13 -04:00
parent 346423c040
commit dbacee67c4
1 changed files with 5 additions and 7 deletions
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12
firmware/common/linked_list.c
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@ -198,16 +198,14 @@ void lld_remove(struct lld_head *list, struct lld_node *node)
struct lld_node *next = node->next;
struct lld_node *prev = node->prev;
if (node == list->head)
if (prev == NULL)
list->head = next;
if (node == list->tail)
list->tail = prev;
if (prev != NULL)
else
prev->next = next;
if (next != NULL)
if (next == NULL)
list->tail = prev;
else
next->prev = prev;
}