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iommu/exynos: Fix error handling in exynos_iommu_init() 

If platform_driver_register() fails, it don't need unregister and call
kmem_cache_free() to free the memory allocated before calling register.

Fixes: bbc4d205d9 ("iommu/exynos: Fix driver initialization sequence")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20230104095702.2591122-1-yangyingliang@huawei.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Yang Yingliang 2023-01-04 17:57:02 +08:00 committed by Joerg Roedel
parent b7bfaa761d
commit 53719876e0
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/exynos-iommu.c
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@ -1446,7 +1446,7 @@ static int __init exynos_iommu_init(void)
return 0;
err_reg_driver:
platform_driver_unregister(&exynos_sysmmu_driver);
kmem_cache_free(lv2table_kmem_cache, zero_lv2_table);
err_zero_lv2:
kmem_cache_destroy(lv2table_kmem_cache);
return ret;