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soc/amd/common/block/acpi/ivrs: zero-initialize ivhd_f0 struct 

Zero-initialize the ivhd_f0 struct right at the beginning of the
ivhd_describe_f0_device function to make sure that the whole struct is
in a defined state.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ia6750b58dacb9b9192ed21128eb6e3a4495b96d0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76072
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
This commit is contained in:
Felix Held 2023-06-22 23:04:19 +02:00
parent 47ed2714c8
commit 63a4e6bd76
1 changed files with 1 additions and 5 deletions
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6
src/soc/amd/common/block/acpi/ivrs.c
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@ -52,6 +52,7 @@ static unsigned long ivhd_describe_f0_device(unsigned long current,
uint16_t dev_id, uint8_t datasetting)
{
ivrs_ivhd_f0_entry_t *ivhd_f0 = (ivrs_ivhd_f0_entry_t *)current;
memset(ivhd_f0, 0, sizeof(*ivhd_f0));
ivhd_f0->type = IVHD_DEV_VARIABLE;
ivhd_f0->dev_id = dev_id;
@ -65,11 +66,6 @@ static unsigned long ivhd_describe_f0_device(unsigned long current,
ivhd_f0->hardware_id[6] = '4';
ivhd_f0->hardware_id[7] = '0';
memset(ivhd_f0->compatible_id, 0, sizeof(ivhd_f0->compatible_id));
ivhd_f0->uuid_format = 0;
ivhd_f0->uuid_length = 0;
current += sizeof(ivrs_ivhd_f0_entry_t);
return current;
}