[PATCH][next] drm/amd/powerplay: remove a less than zero uint32_t check

[PATCH][next] drm/amd/powerplay: remove a less than zero uint32_t check

[Colin King]

From: Colin Ian King <colin.king@canonical.com>

The check to see if the uint32_t variable 'size' is less than zero
is redundant as it is unsigned and can never be less than zero.
Remove this redundant check.

Addresses-Coverity: ("Unsigned compared to zero")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index ac151da..6ea48d6 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -1043,9 +1043,6 @@ static int navi10_set_power_profile_mode(struct smu_context *smu, long *input, u
 	}
 
 	if (smu->power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
-		if (size < 0)
-			return -EINVAL;
-
 		ret = smu_update_table(smu,
 				       SMU_TABLE_ACTIVITY_MONITOR_COEFF | WORKLOAD_PPLIB_CUSTOM_BIT << 16,
 				       (void *)(&activity_monitor), false);
-- 
2.7.4

[PATCH][next] drm/amd/powerplay: remove a less than zero uint32_t check

[Colin King]

From: Colin Ian King <colin.king@canonical.com>

The check to see if the uint32_t variable 'size' is less than zero
is redundant as it is unsigned and can never be less than zero.
Remove this redundant check.

Addresses-Coverity: ("Unsigned compared to zero")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index ac151da..6ea48d6 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -1043,9 +1043,6 @@ static int navi10_set_power_profile_mode(struct smu_context *smu, long *input, u
 	}
 
 	if (smu->power_profile_mode = PP_SMC_POWER_PROFILE_CUSTOM) {
-		if (size < 0)
-			return -EINVAL;
-
 		ret = smu_update_table(smu,
 				       SMU_TABLE_ACTIVITY_MONITOR_COEFF | WORKLOAD_PPLIB_CUSTOM_BIT << 16,
 				       (void *)(&activity_monitor), false);
-- 
2.7.4

Re: [PATCH][next] drm/amd/powerplay: remove a less than zero uint32_t check

[Abramov, Slava]

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Acked-by: Slava Abramov <slava.abramov-5C7GfCeVMHo@public.gmane.org>

________________________________
From: amd-gfx <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org> on behalf of Colin King <colin.king-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
Sent: Friday, June 28, 2019 11:28:04 AM
To: Rex Zhu; Quan, Evan; Deucher, Alexander; Koenig, Christian; Zhou, David(ChunMing); David Airlie; Daniel Vetter; amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org; dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH][next] drm/amd/powerplay: remove a less than zero uint32_t check

From: Colin Ian King <colin.king-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>

The check to see if the uint32_t variable 'size' is less than zero
is redundant as it is unsigned and can never be less than zero.
Remove this redundant check.

Addresses-Coverity: ("Unsigned compared to zero")
Signed-off-by: Colin Ian King <colin.king-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
---
 drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index ac151da..6ea48d6 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -1043,9 +1043,6 @@ static int navi10_set_power_profile_mode(struct smu_context *smu, long *input, u
         }

         if (smu->power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
-               if (size < 0)
-                       return -EINVAL;
-
                 ret = smu_update_table(smu,
                                        SMU_TABLE_ACTIVITY_MONITOR_COEFF | WORKLOAD_PPLIB_CUSTOM_BIT << 16,
                                        (void *)(&activity_monitor), false);
--
2.7.4

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