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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Nordmark Claes <Claes.Nordmark@tieto.com>,
        Corey Minyard <cminyard@mvista.com>
Subject: [PATCH 4.17 037/220] ipmi:bt: Set the timeout before doing a capabilities check
Date:   Sun,  1 Jul 2018 18:21:01 +0200
Message-Id: <20180701160909.880249601@linuxfoundation.org>
In-Reply-To: <20180701160908.272447118@linuxfoundation.org>
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4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Corey Minyard <cminyard@mvista.com>

commit fe50a7d0393a552e4539da2d31261a59d6415950 upstream.

There was one place where the timeout value for an operation was
not being set, if a capabilities request was done from idle.  Move
the timeout value setting to before where that change might be
requested.

IMHO the cause here is the invisible returns in the macros.  Maybe
that's a job for later, though.

Reported-by: Nordmark Claes <Claes.Nordmark@tieto.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/char/ipmi/ipmi_bt_sm.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -504,11 +504,12 @@ static enum si_sm_result bt_event(struct
 		if (status & BT_H_BUSY)		/* clear a leftover H_BUSY */
 			BT_CONTROL(BT_H_BUSY);
 
+		bt->timeout = bt->BT_CAP_req2rsp;
+
 		/* Read BT capabilities if it hasn't been done yet */
 		if (!bt->BT_CAP_outreqs)
 			BT_STATE_CHANGE(BT_STATE_CAPABILITIES_BEGIN,
 					SI_SM_CALL_WITHOUT_DELAY);
-		bt->timeout = bt->BT_CAP_req2rsp;
 		BT_SI_SM_RETURN(SI_SM_IDLE);
 
 	case BT_STATE_XACTION_START: