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| author | David Woodhouse <David.Woodhouse@intel.com> | 2014-03-07 14:39:27 +0000 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2014-03-20 14:25:33 +0000 |
| commit | 07cb52ff6aadac0ad68b29be2ef73dba3111c5ec (patch) | |
| tree | 0286a495c79944d886482110c27fecc808ac5672 /drivers | |
| parent | e625b4a95d50fa2f2d2fd0ab4b9ac9d6b6c2474c (diff) | |
| download | linux-07cb52ff6aadac0ad68b29be2ef73dba3111c5ec.tar.gz linux-07cb52ff6aadac0ad68b29be2ef73dba3111c5ec.tar.bz2 linux-07cb52ff6aadac0ad68b29be2ef73dba3111c5ec.zip | |
iommu/vt-d: Allocate space for ACPI devices
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/dmar.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index eb95020c2314..4c6297d1b421 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -84,7 +84,8 @@ void *dmar_alloc_dev_scope(void *start, void *end, int *cnt) *cnt = 0; while (start < end) { scope = start; - if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ENDPOINT || + if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ACPI || + scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ENDPOINT || scope->entry_type == ACPI_DMAR_SCOPE_TYPE_BRIDGE) (*cnt)++; else if (scope->entry_type != ACPI_DMAR_SCOPE_TYPE_IOAPIC && @@ -342,21 +343,18 @@ dmar_parse_one_drhd(struct acpi_dmar_header *header) dmaru->reg_base_addr = drhd->address; dmaru->segment = drhd->segment; dmaru->include_all = drhd->flags & 0x1; /* BIT0: INCLUDE_ALL */ - if (!dmaru->include_all) { - dmaru->devices = dmar_alloc_dev_scope((void *)(drhd + 1), - ((void *)drhd) + drhd->header.length, - &dmaru->devices_cnt); - if (dmaru->devices_cnt && dmaru->devices == NULL) { - kfree(dmaru); - return -ENOMEM; - } + dmaru->devices = dmar_alloc_dev_scope((void *)(drhd + 1), + ((void *)drhd) + drhd->header.length, + &dmaru->devices_cnt); + if (dmaru->devices_cnt && dmaru->devices == NULL) { + kfree(dmaru); + return -ENOMEM; } ret = alloc_iommu(dmaru); if (ret) { - if (!dmaru->include_all) - dmar_free_dev_scope(&dmaru->devices, - &dmaru->devices_cnt); + dmar_free_dev_scope(&dmaru->devices, + &dmaru->devices_cnt); kfree(dmaru); return ret; } |