[PATCH 4.4 14/57] dmaengine: stedma40: add missing iounmap() on error in d40_probe()

[Sasha Levin]

From: Yang Yingliang <yangyingliang@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210518141108.1324127-1-yangyingliang@xxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 0fede051f4e1..e6d3ed1de374 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -3715,6 +3715,9 @@ failure:
 
 		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