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source-file and some other commands can recurse back into cmdq_continue,

Browse Source 
which could potentially free the currently running command, so we need
to take a reference to it in cmdq_continue_one.

Fixes problem reported by Theo Buehler.
This commit is contained in:
nicm
2016-10-14 18:41:53 +00:00
parent 0ec18e537d
commit 1721d1994e
3 changed files with 17 additions and 6 deletions
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7
cmd-source-file.c
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@ -68,6 +68,8 @@ cmd_source_file_exec(struct cmd *self, struct cmd_q *cmdq)
return (CMD_RETURN_NORMAL);
}
log_debug("%s: cmdq %p, parent %p", __func__, cmdq1, cmdq);
cmdq->references++;
cfg_references++;
@ -80,16 +82,15 @@ cmd_source_file_done(struct cmd_q *cmdq1)
{
struct cmd_q *cmdq = cmdq1->data;
log_debug("%s: cmdq %p, parent %p", __func__, cmdq1, cmdq);
if (cmdq1->client_exit >= 0)
cmdq->client_exit = cmdq1->client_exit;
cmdq_free(cmdq1);
cfg_references--;
if (cmdq_free(cmdq))
return;
if (cfg_references == 0)
cfg_print_causes(cmdq);
cmdq_continue(cmdq);