From: Yang Yingliang <yangyingliang@xxxxxxxxxx>
[ Upstream commit 53719876e064643a6e58b5e6067a149a0fd191ec ]
If platform_driver_register() fails, it don't need unregister and call
kmem_cache_free() to free the memory allocated before calling register.
Fixes: bbc4d205d93f ("iommu/exynos: Fix driver initialization sequence")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Reviewed-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230104095702.2591122-1-yangyingliang@xxxxxxxxxx
Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/iommu/exynos-iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index b0cde22119875..c1d579c24740b 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -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;
--
2.39.2
