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Take a reference to prevent cmdq being freed during the command. Can

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happen to cfg_cmd_q (possibly others) when source-file recurses into
cmdq_continue. Fixes bug reported by Ismail Donmez and Theo Buehler.
This commit is contained in:
nicm
2015-02-12 09:56:19 +00:00
parent 9ae2284726
commit 4d05d88304
1 changed files with 4 additions and 1 deletions
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5
cmd-queue.c
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@@ -163,6 +163,7 @@ cmdq_continue(struct cmd_q *cmdq)
int empty, flags;
char s[1024];
cmdq->references++;
notify_disable();
empty = TAILQ_EMPTY(&cmdq->queue);
@@ -220,11 +221,13 @@ empty:
if (cmdq->client_exit > 0)
cmdq->client->flags |= CLIENT_EXIT;
if (cmdq->emptyfn != NULL)
cmdq->emptyfn(cmdq); /* may free cmdq */
cmdq->emptyfn(cmdq);
empty = 1;
out:
notify_enable();
cmdq_free(cmdq);
return (empty);
}