diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2023-06-23 19:03:57 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-06-26 12:03:22 +0000 |
| commit | fe242cea1e8af2cb88ddd935887f2c9096d76efc (patch) | |
| tree | 3ff6717a25bda5ace1dfc338d29e3ae85b816436 /src | |
| parent | 8cbafe8723bec983cab5e00db347551a27f74875 (diff) | |
soc/amd/common/block/acpi/ivrs: zero-initialize ivhd_[range,entry]
Zero-initialize the ivhd_range and ivhd_entry structs to make sure that
the whole struct is in a defined state.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Iccacc89bfc497449ad0716a3436949505b65f748
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76079
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/common/block/acpi/ivrs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/acpi/ivrs.c b/src/soc/amd/common/block/acpi/ivrs.c index 71b9c626e3..089b42d01f 100644 --- a/src/soc/amd/common/block/acpi/ivrs.c +++ b/src/soc/amd/common/block/acpi/ivrs.c @@ -69,6 +69,7 @@ static unsigned long ivhd_dev_range(unsigned long current, uint16_t start_devid, /* 4-byte IVHD structures must be aligned to the 4-byte boundary. */ current = ALIGN_UP(current, 4); ivrs_ivhd_generic_t *ivhd_range = (ivrs_ivhd_generic_t *)current; + memset(ivhd_range, 0, sizeof(*ivhd_range)); /* Create the start range IVHD entry */ ivhd_range->type = IVHD_DEV_4_BYTE_START_RANGE; @@ -93,6 +94,7 @@ static unsigned long add_ivhd_dev_entry(struct device *parent, struct device *de /* 4-byte IVHD structures must be aligned to the 4-byte boundary. */ *current = ALIGN_UP(*current, 4); ivrs_ivhd_generic_t *ivhd_entry = (ivrs_ivhd_generic_t *)*current; + memset(ivhd_entry, 0, sizeof(*ivhd_entry)); ivhd_entry->type = type; ivhd_entry->dev_id = dev->path.pci.devfn | (dev->bus->secondary << 8); @@ -100,6 +102,7 @@ static unsigned long add_ivhd_dev_entry(struct device *parent, struct device *de *current += sizeof(ivrs_ivhd_generic_t); } else if (type == IVHD_DEV_8_BYTE_ALIAS_SELECT) { ivrs_ivhd_alias_t *ivhd_entry = (ivrs_ivhd_alias_t *)*current; + memset(ivhd_entry, 0, sizeof(*ivhd_entry)); ivhd_entry->type = type; ivhd_entry->dev_id = dev->path.pci.devfn | (dev->bus->secondary << 8); |