From: Hersen Wu <hersenxs.wu@xxxxxxx>
[Why]
For subtraction, coverity reports integer overflow
warning message when variable type is uint32_t.
[How]
Change variable type to int32_t.
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
Acked-by: Tom Chung <chiahsuan.chung@xxxxxxx>
Signed-off-by: Hersen Wu <hersenxs.wu@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | 4 ++--
1 file changed, 2 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 d19d5c177022..f344478e9bd4 100644
--- a/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
+++ b/drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c
@@ -56,7 +56,7 @@ struct gpio_service *dal_gpio_service_create(
struct dc_context *ctx)
{
struct gpio_service *service;
- uint32_t index_of_id;
+ int32_t index_of_id;
service = kzalloc(sizeof(struct gpio_service), GFP_KERNEL);
@@ -112,7 +112,7 @@ struct gpio_service *dal_gpio_service_create(
return service;
failure_2:
- while (index_of_id) {
+ while (index_of_id > 0) {
--index_of_id;
kfree(service->busyness[index_of_id]);
}
--
2.34.1
