From: Yang Yingliang <yangyingliang@huawei.com>
Date: Tue, 18 May 2021 14:11:08 +0000 (+0800)
Subject: dmaengine: stedma40: add missing iounmap() on error in d40_probe()
X-Git-Tag: v5.10.79~3610
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5efb0b3886c3f9fa965e35b3d132c5c108df7bef;p=platform%2Fkernel%2Flinux-rpi.git

dmaengine: stedma40: add missing iounmap() on error in d40_probe()

[ 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@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210518141108.1324127-1-yangyingliang@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 77ab1f4..b35b97c 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -3676,6 +3676,9 @@ 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);