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smd: take message lock earlier

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This commit is contained in:
Andy Green 2021-10-12 09:14:31 +01:00
parent f9d9cb3bb7
commit 028deaeaa5
1 changed files with 5 additions and 2 deletions
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7
lib/system/smd/smd.c
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@ -210,10 +210,15 @@ _lws_smd_msg_send(struct lws_context *ctx, void *pay, struct lws_smd_peer *exc)
lws_mutex_lock(ctx->smd.lock_peers)) /* +++++++++++++++ peers */
return 1; /* For Coverity */
if (lws_mutex_lock(ctx->smd.lock_messages)) /* +++++++++++++++++ messages */
goto bail;
msg->refcount = (uint16_t)_lws_smd_msg_assess_peers_interested(
&ctx->smd, msg, exc);
if (!msg->refcount) {
/* possible, condsidering exc and no other participants */
lws_mutex_unlock(ctx->smd.lock_messages); /* --------------- messages */
lws_free(msg);
if (!ctx->smd.delivering)
lws_mutex_unlock(ctx->smd.lock_peers); /* ------------- peers */
@ -225,8 +230,6 @@ _lws_smd_msg_send(struct lws_context *ctx, void *pay, struct lws_smd_peer *exc)
/* let's add him on the queue... */
if (lws_mutex_lock(ctx->smd.lock_messages)) /* +++++++++++++++++ messages */
goto bail;
lws_dll2_add_tail(&msg->list, &ctx->smd.owner_messages);
/*