Commit 53719876 authored by Yang Yingliang's avatar Yang Yingliang Committed by Joerg Roedel
Browse files

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: bbc4d205 ("iommu/exynos: Fix driver initialization sequence")
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Reviewed-by: default avatarSam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20230104095702.2591122-1-yangyingliang@huawei.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent b7bfaa76

drivers/iommu/exynos-iommu.c

+1 −1
Original line number Diff line number Diff line
@@ -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;