[PATCH] mfd: asic3: Add missing iounmap() on error asic3_mfd_probe

From: Miaoqian Lin <linmq006@gmail.com>
To: Lee Jones <lee.jones@linaro.org>,
	Magnus Damm <damm@opensource.se>, Ian Molton <ian@mnementh.co.uk>,
	Samuel Ortiz <sameo@linux.intel.com>,
	linux-kernel@vger.kernel.org
Cc: linmq006@gmail.com
Subject: [PATCH] mfd: asic3: Add missing iounmap() on error asic3_mfd_probe
Date: Mon,  7 Mar 2022 07:29:47 +0000	[thread overview]
Message-ID: <20220307072947.5369-1-linmq006@gmail.com> (raw)

Add the missing iounmap() before return from asic3_mfd_probe
in the error handling case.

Fixes: 64e8867ba809 ("mfd: tmio_mmc hardware abstraction for CNF area")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/mfd/asic3.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index 8d58c8df46cf..56338f9dbd0b 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -906,14 +906,14 @@ static int __init asic3_mfd_probe(struct platform_device *pdev,
 		ret = mfd_add_devices(&pdev->dev, pdev->id,
 			&asic3_cell_ds1wm, 1, mem, asic->irq_base, NULL);
 		if (ret < 0)
-			goto out;
+			goto out_unmap;
 	}
 
 	if (mem_sdio && (irq >= 0)) {
 		ret = mfd_add_devices(&pdev->dev, pdev->id,
 			&asic3_cell_mmc, 1, mem_sdio, irq, NULL);
 		if (ret < 0)
-			goto out;
+			goto out_unmap;
 	}
 
 	ret = 0;
@@ -927,8 +927,12 @@ static int __init asic3_mfd_probe(struct platform_device *pdev,
 		ret = mfd_add_devices(&pdev->dev, 0,
 			asic3_cell_leds, ASIC3_NUM_LEDS, NULL, 0, NULL);
 	}
+	return ret;
 
- out:
+out_unmap:
+	if (asic->tmio_cnf)
+		iounmap(asic->tmio_cnf);
+out:
 	return ret;
 }
 
-- 
2.17.1

