From: Miaoqian Lin linmq006@gmail.com
stable inclusion from stable-v5.10.110 commit 8513c93eadc6b1009de11033125b197bfe0ae3bd bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit e84ee1a75f944a0fe3c277aaa10c426603d2b0bc ]
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 Signed-off-by: Lee Jones lee.jones@linaro.org Link: https://lore.kernel.org/r/20220307072947.5369-1-linmq006@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yu Liao liaoyu15@huawei.com Reviewed-by: Wei Li liwei391@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.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 a6bd2134cea2..14e4bbe6a9da 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -914,14 +914,14 @@ 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; @@ -935,8 +935,12 @@ 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; }