35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From 9fd7ce8ede4f5fcb730137d2593bfb8f470fad56 Mon Sep 17 00:00:00 2001
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From: kircher <majun65@huawei.com>
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Date: Tue, 21 Feb 2023 17:08:29 +0800
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Subject: [PATCH] check and fix wakeup_list when null appears
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---
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src/lstack/api/lstack_epoll.c | 11 +++++++++++
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1 file changed, 11 insertions(+)
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diff --git a/src/lstack/api/lstack_epoll.c b/src/lstack/api/lstack_epoll.c
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index 7860163..da29590 100644
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--- a/src/lstack/api/lstack_epoll.c
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+++ b/src/lstack/api/lstack_epoll.c
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@@ -84,6 +84,17 @@ void wakeup_stack_epoll(struct protocol_stack *stack, bool wakeup_thread_enable)
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struct list_node *node, *temp;
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list_for_each_safe(node, temp, &stack->wakeup_list) {
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+ /* When temp is NULL, find the tail node in the wekeup_list and connect it to the back of the node */
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+ if (unlikely(temp == NULL)) {
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+ struct list_node *nod = &stack->wakeup_list;
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+ while (nod->prev && nod->prev != node) {
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+ nod = nod->prev;
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+ }
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+ nod->prev = node;
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+ node->next = nod;
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+ temp = nod;
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+ }
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+
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struct wakeup_poll *wakeup = container_of((node - stack->queue_id), struct wakeup_poll, wakeup_list);
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if (!wakeup_thread_enable) {
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--
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2.33.0
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