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: baikal/mips/sdk5.9~10772^2~6
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=0c69fd6e;p=kernel.git

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

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

Fixes: 1e8a21f98c86 ("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>
---

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 265d7c07b348e..e1827393143f1 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -3675,6 +3675,9 @@ 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);