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net: lwm2m: cancel pending retransmit work when closing context

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Currently the retransmit_work is not cancelled when closing a context,
making it operate on an invalid context.

LwM2M RD client also closes the context and initializes it again when
registration with the server fails, overwriting the active timeout and
breaking the timeout dlist.

Signed-off-by: Pieterjan Camerlynck <pieterjan.camerlynck@gmail.com>
This commit is contained in:
Pieterjan Camerlynck 2019-07-28 16:01:34 +02:00 • committed by Jukka Rissanen
commit d0dd1fbf5c
1 changed files with 3 additions and 0 deletions
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3
subsys/net/lib/lwm2m/lwm2m_engine.c
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@ -3821,6 +3821,9 @@ int lwm2m_engine_context_close(struct lwm2m_ctx *client_ctx)
sys_snode_t *prev_node = NULL; sys_snode_t *prev_node = NULL;
int sock_fd = client_ctx->sock_fd; int sock_fd = client_ctx->sock_fd;
/* Cancel pending retransmit work */
k_delayed_work_cancel(&client_ctx->retransmit_work);
/* Remove observes for this context */ /* Remove observes for this context */
SYS_SLIST_FOR_EACH_CONTAINER_SAFE(&engine_observer_list, SYS_SLIST_FOR_EACH_CONTAINER_SAFE(&engine_observer_list,
obs, tmp, node) { obs, tmp, node) {