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-rw-r--r--drivers/iommu/amd_iommu_init.c27
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index b90e26effe0a..e308fb6a2908 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -2631,8 +2631,6 @@ static int __init state_next(void)
init_state = ret ? IOMMU_INIT_ERROR : IOMMU_ACPI_FINISHED;
if (init_state == IOMMU_ACPI_FINISHED && amd_iommu_disabled) {
pr_info("AMD IOMMU disabled on kernel command-line\n");
- free_dma_resources();
- free_iommu_resources();
init_state = IOMMU_CMDLINE_DISABLED;
ret = -EINVAL;
}
@@ -2673,6 +2671,19 @@ static int __init state_next(void)
BUG();
}
+ if (ret) {
+ free_dma_resources();
+ if (!irq_remapping_enabled) {
+ disable_iommus();
+ free_iommu_resources();
+ } else {
+ struct amd_iommu *iommu;
+
+ uninit_device_table_dma();
+ for_each_iommu(iommu)
+ iommu_flush_all_caches(iommu);
+ }
+ }
return ret;
}
@@ -2746,18 +2757,6 @@ static int __init amd_iommu_init(void)
int ret;
ret = iommu_go_to_state(IOMMU_INITIALIZED);
- if (ret) {
- free_dma_resources();
- if (!irq_remapping_enabled) {
- disable_iommus();
- free_iommu_resources();
- } else {
- uninit_device_table_dma();
- for_each_iommu(iommu)
- iommu_flush_all_caches(iommu);
- }
- }
-
#ifdef CONFIG_GART_IOMMU
if (ret && list_empty(&amd_iommu_list)) {
/*