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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-08-08 02:41:01 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-08-08 02:41:01 +0300 |
| commit | 9e8238020c5beba64e7ffafbb7ea0fb02fe68270 (patch) | |
| tree | 37c7fd953cfa7ebd3d6c476bc4c7d4de2302cdc3 /drivers/iommu/amd_iommu_init.c | |
| parent | a50ca29523b18baea548bdf5df9b4b923c2bb4f6 (diff) | |
| parent | d862a3068ea593dc904ef524d8548467755ce36f (diff) | |
| download | linux-9e8238020c5beba64e7ffafbb7ea0fb02fe68270.tar.xz | |
Merge branch 'next' into for-linus
Prepare input updates for 5.9 merge window.
Diffstat (limited to 'drivers/iommu/amd_iommu_init.c')
| -rw-r--r-- | drivers/iommu/amd_iommu_init.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 6be3853a5d97..5b81fd16f5fa 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -1329,8 +1329,8 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu, } case IVHD_DEV_ACPI_HID: { u16 devid; - u8 hid[ACPIHID_HID_LEN] = {0}; - u8 uid[ACPIHID_UID_LEN] = {0}; + u8 hid[ACPIHID_HID_LEN]; + u8 uid[ACPIHID_UID_LEN]; int ret; if (h->type != 0x40) { @@ -1347,6 +1347,7 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu, break; } + uid[0] = '\0'; switch (e->uidf) { case UID_NOT_PRESENT: @@ -1361,8 +1362,8 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu, break; case UID_IS_CHARACTER: - memcpy(uid, (u8 *)(&e->uid), ACPIHID_UID_LEN - 1); - uid[ACPIHID_UID_LEN - 1] = '\0'; + memcpy(uid, &e->uid, e->uidl); + uid[e->uidl] = '\0'; break; default: @@ -2936,7 +2937,7 @@ static int __init parse_amd_iommu_intr(char *str) { for (; *str; ++str) { if (strncmp(str, "legacy", 6) == 0) { - amd_iommu_guest_ir = AMD_IOMMU_GUEST_IR_LEGACY; + amd_iommu_guest_ir = AMD_IOMMU_GUEST_IR_LEGACY_GA; break; } if (strncmp(str, "vapic", 5) == 0) { |