linux-kernel - [PATCH 4.4 094/135] USB: ohci-sm501: Add missed iounmap() in remove

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Message-Id: <20200629155309.2495516-95-sashal@kernel.org>
Date:   Mon, 29 Jun 2020 11:52:28 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Chuhong Yuan <hslester96@...il.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH 4.4 094/135] USB: ohci-sm501: Add missed iounmap() in remove

From: Chuhong Yuan <hslester96@...il.com>

commit 07c112fb09c86c0231f6ff0061a000ffe91c8eb9 upstream.

This driver misses calling iounmap() in remove to undo the ioremap()
called in probe.
Add the missed call to fix it.

Fixes: f54aab6ebcec ("usb: ohci-sm501 driver")
Cc: stable <stable@...r.kernel.org>
Signed-off-by: Chuhong Yuan <hslester96@...il.com>
Acked-by: Alan Stern <stern@...land.harvard.edu>
Link: https://lore.kernel.org/r/20200610024844.3628408-1-hslester96@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/host/ohci-sm501.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
index a8b8d8b8d9f39..a960d2bb8dd1e 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -196,6 +196,7 @@ static int ohci_hcd_sm501_drv_remove(struct platform_device *pdev)
 	struct resource	*mem;
 
 	usb_remove_hcd(hcd);
+	iounmap(hcd->regs);
 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 	usb_put_hcd(hcd);
 	dma_release_declared_memory(&pdev->dev);
-- 
2.25.1