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soc/amd/block/ivrs: Add NULL check for IVRS 

Add NULL check for ivrs pointer before use.

Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Change-Id: Ibeb0ea3bcaa3512a93500588ad4f11046edee61f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75506
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
This commit is contained in:
Naresh Solanki 2023-05-31 17:13:03 +02:00 committed by Lean Sheng Tan
parent f9c12cec37
commit 08601b29aa
1 changed files with 5 additions and 0 deletions
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5
src/soc/amd/common/block/acpi/ivrs.c
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@ -310,6 +310,11 @@ unsigned long acpi_fill_ivrs(acpi_ivrs_t *ivrs, unsigned long current)
struct device *nb_dev;
struct device *dev = NULL;
if (ivrs == NULL) {
printk(BIOS_WARNING, "%s: ivrs is NULL\n", __func__);
return current;
}
ivhd = &ivrs->ivhd;
while ((dev = dev_find_path(dev, DEVICE_PATH_DOMAIN)) != NULL) {