Unverified Commit 01526af3 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12022 drm/amd/display: Check gpio_id before used as array index 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zeng Heng <zengheng4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/S75UZDTV43B4IJEXYHWBSH3ULPTE7435/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAU9MK 
 
Link:https://gitee.com/openeuler/kernel/pulls/12022

 

Reviewed-by: default avatarXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 59253ba0 9e585541

drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c

+11 −2
Original line number Diff line number Diff line
@@ -239,6 +239,9 @@ static bool is_pin_busy( 
	enum gpio_id id,

	uint32_t en)

{

	if (id == GPIO_ID_UNKNOWN)

		return false;



	return service->busyness[id][en];

}
@@ -247,6 +250,9 @@ static void set_pin_busy( 
	enum gpio_id id,

	uint32_t en)

{

	if (id == GPIO_ID_UNKNOWN)

		return;



	service->busyness[id][en] = true;

}
@@ -255,6 +261,9 @@ static void set_pin_free( 
	enum gpio_id id,

	uint32_t en)

{

	if (id == GPIO_ID_UNKNOWN)

		return;



	service->busyness[id][en] = false;

}
@@ -263,7 +272,7 @@ enum gpio_result dal_gpio_service_lock( 
	enum gpio_id id,

	uint32_t en)

{

	if (!service->busyness[id]) {

	if (id != GPIO_ID_UNKNOWN && !service->busyness[id]) {

		ASSERT_CRITICAL(false);

		return GPIO_RESULT_OPEN_FAILED;

	}
@@ -277,7 +286,7 @@ enum gpio_result dal_gpio_service_unlock( 
	enum gpio_id id,

	uint32_t en)

{

	if (!service->busyness[id]) {

	if (id != GPIO_ID_UNKNOWN && !service->busyness[id]) {

		ASSERT_CRITICAL(false);

		return GPIO_RESULT_OPEN_FAILED;

	}