From fffdaba402cea79b8d219355487d342ec23f91c6 Mon Sep 17 00:00:00 2001
From: Yang Yingliang <yangyingliang@huawei.com>
Date: Tue, 18 May 2021 22:11:08 +0800
Subject: [PATCH] dmaengine: stedma40: add missing iounmap() on error in d40_probe()
Git-commit: fffdaba402cea79b8d219355487d342ec23f91c6
Patch-mainline: v5.13-rc7
References: git-fixes
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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 265d7c07b348..e1827393143f 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);
--
2.26.2