linux-kernel - [PATCH 5.4 137/314] USB: ohci-sm501: fix error return code in ohci_hcd_sm501_drv

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Message-Id: <20200623195345.404071620@linuxfoundation.org>
Date:   Tue, 23 Jun 2020 21:55:32 +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>,
        Alan Stern <stern@...land.harvard.edu>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 137/314] USB: ohci-sm501: fix error return code in ohci_hcd_sm501_drv_probe()

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

[ Upstream commit b919e077cccfbb77beb98809568b2fb0b4d113ec ]

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

Fixes: 7d9e6f5aebe8 ("usb: host: ohci-sm501: init genalloc for local memory")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Acked-by: Alan Stern <stern@...land.harvard.edu>
Link: https://lore.kernel.org/r/20200506135625.106910-1-weiyongjun1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/usb/host/ohci-sm501.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
index c158cda9e4b9b..cff9652403270 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -157,9 +157,10 @@ static int ohci_hcd_sm501_drv_probe(struct platform_device *pdev)
 	 * the call to usb_hcd_setup_local_mem() below does just that.
 	 */
 
-	if (usb_hcd_setup_local_mem(hcd, mem->start,
-				    mem->start - mem->parent->start,
-				    resource_size(mem)) < 0)
+	retval = usb_hcd_setup_local_mem(hcd, mem->start,
+					 mem->start - mem->parent->start,
+					 resource_size(mem));
+	if (retval < 0)
 		goto err5;
 	retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
 	if (retval)
-- 
2.25.1