From: Jing Zhou <Jing.Zhou@xxxxxxx>
[Why & How]
Add null pointer filter for logical integrity.
Reviewed-by: Charlene Liu <Charlene.Liu@xxxxxxx>
Acked-by: Agustin Gutierrez <agustin.gutierrez@xxxxxxx>
Signed-off-by: Jing Zhou <Jing.Zhou@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
index dae8e489c8cf..778c206f754d 100644
--- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
+++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
@@ -647,7 +647,9 @@ enum gpio_result dal_ddc_set_config(
void dal_ddc_close(
struct ddc *ddc)
{
- dal_gpio_close(ddc->pin_clock);
- dal_gpio_close(ddc->pin_data);
+ if (ddc != NULL) {
+ dal_gpio_close(ddc->pin_clock);
+ dal_gpio_close(ddc->pin_data);
+ }
}
--
2.35.1
