linux-kernel - [PATCH 4.14 062/183] ipmi/powernv: Fix error return code in ipmi_powernv

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Message-Id: <20180425103245.022758740@linuxfoundation.org>
Date:   Wed, 25 Apr 2018 12:34:42 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Wei Yongjun <weiyongjun1@...wei.com>,
        Alexey Kardashevskiy <aik@...abs.ru>,
        Corey Minyard <cminyard@...sta.com>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.14 062/183] ipmi/powernv: Fix error return code in ipmi_powernv_probe()

4.14-stable review patch.  If anyone has any objections, please let me know.

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

From: Wei Yongjun <weiyongjun1@...wei.com>


[ Upstream commit e749d328b0b450aa78d562fa26a0cd8872325dd9 ]

Fix to return a negative error code from the request_irq() error
handling case instead of 0, as done elsewhere in this function.

Fixes: dce143c3381c ("ipmi/powernv: Convert to irq event interface")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Reviewed-by: Alexey Kardashevskiy <aik@...abs.ru>
Signed-off-by: Corey Minyard <cminyard@...sta.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/char/ipmi/ipmi_powernv.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/char/ipmi/ipmi_powernv.c
+++ b/drivers/char/ipmi/ipmi_powernv.c
@@ -251,8 +251,9 @@ static int ipmi_powernv_probe(struct pla
 		ipmi->irq = opal_event_request(prop);
 	}
 
-	if (request_irq(ipmi->irq, ipmi_opal_event, IRQ_TYPE_LEVEL_HIGH,
-				"opal-ipmi", ipmi)) {
+	rc = request_irq(ipmi->irq, ipmi_opal_event, IRQ_TYPE_LEVEL_HIGH,
+			 "opal-ipmi", ipmi);
+	if (rc) {
 		dev_warn(dev, "Unable to request irq\n");
 		goto err_dispose;
 	}