From: trix@redhat.com
To: alexander.deucher@amd.com, christian.koenig@amd.com,
airlied@linux.ie, daniel@ffwll.ch, evan.quan@amd.com,
nirmoy.das@amd.com, kevin1.wang@amd.com, ray.huang@amd.com,
darren.powell@amd.com
Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, Tom Rix <trix@redhat.com>
Subject: [PATCH] drm/amd/pm: initialize variable
Date: Fri, 30 Apr 2021 10:16:54 -0700 [thread overview]
Message-ID: <20210430171654.3326745-1-trix@redhat.com> (raw)
From: Tom Rix <trix@redhat.com>
Static analysis reports this problem
amdgpu_pm.c:478:16: warning: The right operand of '<' is a garbage value
for (i = 0; i < data.nums; i++) {
^ ~~~~~~~~~
In some cases data is not set. Initialize to 0 and flag not setting
data as an error with the existing check.
Signed-off-by: Tom Rix <trix@redhat.com>
---
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 4e459ef632ef..9a54066ec0af 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -451,7 +451,7 @@ static ssize_t amdgpu_get_pp_cur_state(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
- struct pp_states_info data;
+ struct pp_states_info data = {0};
enum amd_pm_state_type pm = 0;
int i = 0, ret = 0;
--
2.26.3
WARNING: multiple messages have this Message-ID (diff)
From: trix@redhat.com
To: alexander.deucher@amd.com, christian.koenig@amd.com,
airlied@linux.ie, daniel@ffwll.ch, evan.quan@amd.com,
nirmoy.das@amd.com, kevin1.wang@amd.com, ray.huang@amd.com,
darren.powell@amd.com
Cc: Tom Rix <trix@redhat.com>,
dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] drm/amd/pm: initialize variable
Date: Fri, 30 Apr 2021 10:16:54 -0700 [thread overview]
Message-ID: <20210430171654.3326745-1-trix@redhat.com> (raw)
From: Tom Rix <trix@redhat.com>
Static analysis reports this problem
amdgpu_pm.c:478:16: warning: The right operand of '<' is a garbage value
for (i = 0; i < data.nums; i++) {
^ ~~~~~~~~~
In some cases data is not set. Initialize to 0 and flag not setting
data as an error with the existing check.
Signed-off-by: Tom Rix <trix@redhat.com>
---
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 4e459ef632ef..9a54066ec0af 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -451,7 +451,7 @@ static ssize_t amdgpu_get_pp_cur_state(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
- struct pp_states_info data;
+ struct pp_states_info data = {0};
enum amd_pm_state_type pm = 0;
int i = 0, ret = 0;
--
2.26.3
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: trix@redhat.com
To: alexander.deucher@amd.com, christian.koenig@amd.com,
airlied@linux.ie, daniel@ffwll.ch, evan.quan@amd.com,
nirmoy.das@amd.com, kevin1.wang@amd.com, ray.huang@amd.com,
darren.powell@amd.com
Cc: Tom Rix <trix@redhat.com>,
dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] drm/amd/pm: initialize variable
Date: Fri, 30 Apr 2021 10:16:54 -0700 [thread overview]
Message-ID: <20210430171654.3326745-1-trix@redhat.com> (raw)
From: Tom Rix <trix@redhat.com>
Static analysis reports this problem
amdgpu_pm.c:478:16: warning: The right operand of '<' is a garbage value
for (i = 0; i < data.nums; i++) {
^ ~~~~~~~~~
In some cases data is not set. Initialize to 0 and flag not setting
data as an error with the existing check.
Signed-off-by: Tom Rix <trix@redhat.com>
---
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 4e459ef632ef..9a54066ec0af 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -451,7 +451,7 @@ static ssize_t amdgpu_get_pp_cur_state(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
- struct pp_states_info data;
+ struct pp_states_info data = {0};
enum amd_pm_state_type pm = 0;
int i = 0, ret = 0;
--
2.26.3
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
next reply other threads:[~2021-04-30 18:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-30 17:16 trix [this message]
2021-04-30 17:16 ` [PATCH] drm/amd/pm: initialize variable trix
2021-04-30 17:16 ` trix
2021-05-04 19:16 ` Alex Deucher
2021-05-04 19:16 ` Alex Deucher
2021-05-04 19:16 ` Alex Deucher
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