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Message-Id: <20210621154904.276961759@linuxfoundation.org>
Date:   Mon, 21 Jun 2021 18:14:38 +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, Hulk Robot <hulkci@...wei.com>,
        Yang Yingliang <yangyingliang@...wei.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Vinod Koul <vkoul@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 03/90] dmaengine: stedma40: add missing iounmap() on error in d40_probe()

From: Yang Yingliang <yangyingliang@...wei.com>

[ Upstream commit fffdaba402cea79b8d219355487d342ec23f91c6 ]

Add the missing iounmap() before return from d40_probe()
in the error handling case.

Fixes: 8d318a50b3d7 ("DMAENGINE: Support for ST-Ericssons DMA40 block v3")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Link: https://lore.kernel.org/r/20210518141108.1324127-1-yangyingliang@huawei.com
Signed-off-by: Vinod Koul <vkoul@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/dma/ste_dma40.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index de8bfd9a76e9..6671bfe08489 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -3678,6 +3678,9 @@ static int __init d40_probe(struct platform_device *pdev)
 
 	kfree(base->lcla_pool.base_unaligned);
 
+	if (base->lcpa_base)
+		iounmap(base->lcpa_base);
+
 	if (base->phy_lcpa)
 		release_mem_region(base->phy_lcpa,
 				   base->lcpa_size);
-- 
2.30.2



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