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authorEdward O'Callaghan <quasisec@google.com>2020-01-23 10:32:33 +1100
committerPatrick Georgi <pgeorgi@google.com>2020-01-30 11:46:08 +0000
commit7e2625587d11209bdecbeffda3267b2336477b78 (patch)
treed64c53bb77bc4f2643e0fd8f898f08b87f09ab62
parent71299c274b09373e8776de55f245754cb48dbdaa (diff)
x86/acpi_device: Allow acpi_device_add_power_res params as optional
Allow for making both reset_gpio && enable_gpio as optional in the params by fixing a potential NULL deref and defaulting to zero values. BUG=b:147026979 BRANCH=none TEST=builds Change-Id: I8053d7a080dfed898400c0994bcea492c826fe3d Signed-off-by: Edward O'Callaghan <quasisec@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/38522 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
-rw-r--r--src/arch/x86/acpi_device.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/arch/x86/acpi_device.c b/src/arch/x86/acpi_device.c
index d51278975b..1092c7317b 100644
--- a/src/arch/x86/acpi_device.c
+++ b/src/arch/x86/acpi_device.c
@@ -537,9 +537,9 @@ void acpi_device_write_spi(const struct acpi_spi *spi)
void acpi_device_add_power_res(const struct acpi_power_res_params *params)
{
static const char *power_res_dev_states[] = { "_PR0", "_PR3" };
- unsigned int reset_gpio = params->reset_gpio->pins[0];
- unsigned int enable_gpio = params->enable_gpio->pins[0];
- unsigned int stop_gpio = params->stop_gpio->pins[0];
+ unsigned int reset_gpio = params->reset_gpio ? params->reset_gpio->pins[0] : 0;
+ unsigned int enable_gpio = params->enable_gpio ? params->enable_gpio->pins[0] : 0;
+ unsigned int stop_gpio = params->stop_gpio ? params->stop_gpio->pins[0] : 0;
if (!reset_gpio && !enable_gpio && !stop_gpio)
return;