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drm/amd/display: Add null pointer filter

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[Why & How]
Add null pointer filter for logical integrity.

Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Jing Zhou <Jing.Zhou@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jing Zhou
2022-03-10 17:20:41 -05:00
committed by Alex Deucher
parent 3a0625813b
commit 2716bc822e
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
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@@ -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);
}
}