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scst_targ: Avoid triggering a kernel panic if dev_user_parse() returns SCST_CMD_STATE_STOP

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Reported-by: Ilan Steinberg <ilan.steinberg@kaminario.com>


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5968 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2015-01-15 08:58:39 +00:00
parent b1966fb034
commit 670352ba89
1 changed files with 5 additions and 4 deletions
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9
scst/src/scst_targ.c
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@@ -635,7 +635,7 @@ static int scst_parse_cmd(struct scst_cmd *cmd)
TRACE_MGMT_DBG("Dev handler %s parse() needs thread "
"context, rescheduling", devt->name);
res = SCST_CMD_STATE_RES_NEED_THREAD;
goto out;
goto check_compl;
}
TRACE_DBG("Calling dev handler %s parse(%p)",
@@ -939,11 +939,11 @@ set_res:
TRACE_DBG_FLAG(TRACE_DEBUG|TRACE_MINOR, "Atomic context and "
"non-WRITE data direction, rescheduling (cmd %p)", cmd);
res = SCST_CMD_STATE_RES_NEED_THREAD;
goto out;
goto check_compl;
}
#endif
out:
check_compl:
#ifdef CONFIG_SCST_EXTRACHECKS
if (unlikely(cmd->completed)) {
/* Command completed with error */
@@ -1000,6 +1000,7 @@ out:
}
}
out:
TRACE_EXIT_HRES(res);
return res;
@@ -1010,7 +1011,7 @@ out_hw_error:
out_done:
scst_set_cmd_abnormal_done_state(cmd);
res = SCST_CMD_STATE_RES_CONT_SAME;
goto out;
goto check_compl;
}
static void scst_set_write_len(struct scst_cmd *cmd)