diff options
Diffstat (limited to 'drivers/iommu/amd/init.c')
| -rw-r--r-- | drivers/iommu/amd/init.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 7bfe37e52e21..b4a798c7b347 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -671,7 +671,7 @@ void amd_iommu_restart_event_logging(struct amd_iommu *iommu) * This function resets the command buffer if the IOMMU stopped fetching * commands from it. */ -void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu) +static void amd_iommu_reset_cmd_buffer(struct amd_iommu *iommu) { iommu_feature_disable(iommu, CONTROL_CMDBUF_EN); @@ -990,6 +990,7 @@ static bool copy_device_table(void) get_order(dev_table_size)); if (old_dev_tbl_cpy == NULL) { pr_err("Failed to allocate memory for copying old device table!\n"); + memunmap(old_devtb); return false; } @@ -1020,6 +1021,7 @@ static bool copy_device_table(void) if ((int_ctl != DTE_IRQ_REMAP_INTCTL) || (int_tab_len != DTE_INTTABLEN)) { pr_err("Wrong old irq remapping flag: %#x\n", devid); + memunmap(old_devtb); return false; } @@ -1953,9 +1955,11 @@ static int __init amd_iommu_init_pci(void) for_each_iommu(iommu) { ret = iommu_init_pci(iommu); - if (ret) - break; - + if (ret) { + pr_err("IOMMU%d: Failed to initialize IOMMU Hardware (error=%d)!\n", + iommu->index, ret); + goto out; + } /* Need to setup range after PCI init */ iommu_set_cwwb_range(iommu); } @@ -1971,6 +1975,11 @@ static int __init amd_iommu_init_pci(void) * active. */ ret = amd_iommu_init_api(); + if (ret) { + pr_err("IOMMU: Failed to initialize IOMMU-API interface (error=%d)!\n", + ret); + goto out; + } init_device_table_dma(); @@ -1980,6 +1989,7 @@ static int __init amd_iommu_init_pci(void) if (!ret) print_iommu_info(); +out: return ret; } |