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Subject[PATCH 4.19 023/109] dmaengine: stedma40: add missing iounmap() on error in d40_probe()
Date
From: Yang Yingliang <yangyingliang@huawei.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@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>
---
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 3d55405c49ca..e588dc5daaa8 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -3663,6 +3663,9 @@ 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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