linux-kernel - [PATCH -next] powerpc: Fix error return code in ppc4xx_msi

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Date:   Mon, 26 Mar 2018 14:43:09 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Rob Herring <robh@...nel.org>,
        Markus Elfring <elfring@...rs.sourceforge.net>,
        "Tyrel Datwyler" <tyreld@...ux.vnet.ibm.com>
CC:     Wei Yongjun <weiyongjun1@...wei.com>,
        <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: [PATCH -next] powerpc: Fix error return code in ppc4xx_msi_probe()

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

Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 arch/powerpc/platforms/4xx/msi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/4xx/msi.c b/arch/powerpc/platforms/4xx/msi.c
index 4b859c8..0b71c52 100644
--- a/arch/powerpc/platforms/4xx/msi.c
+++ b/arch/powerpc/platforms/4xx/msi.c
@@ -241,7 +241,8 @@ static int ppc4xx_msi_probe(struct platform_device *dev)
 	if (!msi_irqs)
 		return -ENODEV;
 
-	if (ppc4xx_setup_pcieh_hw(dev, res, msi))
+	err = ppc4xx_setup_pcieh_hw(dev, res, msi)
+	if (err)
 		goto error_out;
 
 	err = ppc4xx_msi_init_allocator(dev, msi);