1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
From f3e7dab3c72916d3e33b02e1647b664532d95c30 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 14 Mar 2018 16:14:59 +0800
Subject: [PATCH 3788/4131] drm/amd/pp: Fix memory leak in error path in smumgr
Free the backend structure if we fail to allocate device memory.
Change-Id: Ia189008c9903ab3fcc33cc7e6c1fbae534a27f5b
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c | 32 ++++++++++++++--------
drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c | 4 ++-
.../gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c | 4 ++-
.../drm/amd/powerplay/smumgr/polaris10_smumgr.c | 4 ++-
drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c | 18 +++++++-----
.../gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c | 4 ++-
6 files changed, 43 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
index 957739a..669c1be 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.c
@@ -764,7 +764,7 @@ static int cz_smu_init(struct pp_hwmgr *hwmgr)
&cz_smu->toc_buffer.mc_addr,
&cz_smu->toc_buffer.kaddr);
if (ret)
- return -EINVAL;
+ goto err2;
ret = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
cz_smu->smu_buffer.data_size,
@@ -773,19 +773,15 @@ static int cz_smu_init(struct pp_hwmgr *hwmgr)
&cz_smu->smu_buffer.handle,
&cz_smu->smu_buffer.mc_addr,
&cz_smu->smu_buffer.kaddr);
- if (ret) {
- amdgpu_bo_free_kernel(&cz_smu->toc_buffer.handle,
- &cz_smu->toc_buffer.mc_addr,
- &cz_smu->toc_buffer.kaddr);
- return -EINVAL;
- }
+ if (ret)
+ goto err1;
if (0 != cz_smu_populate_single_scratch_entry(hwmgr,
CZ_SCRATCH_ENTRY_UCODE_ID_RLC_SCRATCH,
UCODE_ID_RLC_SCRATCH_SIZE_BYTE,
&cz_smu->scratch_buffer[cz_smu->scratch_buffer_length++])) {
pr_err("Error when Populate Firmware Entry.\n");
- return -1;
+ goto err0;
}
if (0 != cz_smu_populate_single_scratch_entry(hwmgr,
@@ -793,14 +789,14 @@ static int cz_smu_init(struct pp_hwmgr *hwmgr)
UCODE_ID_RLC_SRM_ARAM_SIZE_BYTE,
&cz_smu->scratch_buffer[cz_smu->scratch_buffer_length++])) {
pr_err("Error when Populate Firmware Entry.\n");
- return -1;
+ goto err0;
}
if (0 != cz_smu_populate_single_scratch_entry(hwmgr,
CZ_SCRATCH_ENTRY_UCODE_ID_RLC_SRM_DRAM,
UCODE_ID_RLC_SRM_DRAM_SIZE_BYTE,
&cz_smu->scratch_buffer[cz_smu->scratch_buffer_length++])) {
pr_err("Error when Populate Firmware Entry.\n");
- return -1;
+ goto err0;
}
if (0 != cz_smu_populate_single_scratch_entry(hwmgr,
@@ -808,7 +804,7 @@ static int cz_smu_init(struct pp_hwmgr *hwmgr)
sizeof(struct SMU8_MultimediaPowerLogData),
&cz_smu->scratch_buffer[cz_smu->scratch_buffer_length++])) {
pr_err("Error when Populate Firmware Entry.\n");
- return -1;
+ goto err0;
}
if (0 != cz_smu_populate_single_scratch_entry(hwmgr,
@@ -816,10 +812,22 @@ static int cz_smu_init(struct pp_hwmgr *hwmgr)
sizeof(struct SMU8_Fusion_ClkTable),
&cz_smu->scratch_buffer[cz_smu->scratch_buffer_length++])) {
pr_err("Error when Populate Firmware Entry.\n");
- return -1;
+ goto err0;
}
return 0;
+
+err0:
+ amdgpu_bo_free_kernel(&cz_smu->smu_buffer.handle,
+ &cz_smu->smu_buffer.mc_addr,
+ &cz_smu->smu_buffer.kaddr);
+err1:
+ amdgpu_bo_free_kernel(&cz_smu->toc_buffer.handle,
+ &cz_smu->toc_buffer.mc_addr,
+ &cz_smu->toc_buffer.kaddr);
+err2:
+ kfree(cz_smu);
+ return -EINVAL;
}
static int cz_smu_fini(struct pp_hwmgr *hwmgr)
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
index ed2e2e9..95fcda3 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
@@ -354,8 +354,10 @@ static int fiji_smu_init(struct pp_hwmgr *hwmgr)
hwmgr->smu_backend = fiji_priv;
- if (smu7_init(hwmgr))
+ if (smu7_init(hwmgr)) {
+ kfree(fiji_priv);
return -EINVAL;
+ }
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
index 6255edf..4e2f62e 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
@@ -271,8 +271,10 @@ static int iceland_smu_init(struct pp_hwmgr *hwmgr)
hwmgr->smu_backend = iceland_priv;
- if (smu7_init(hwmgr))
+ if (smu7_init(hwmgr)) {
+ kfree(iceland_priv);
return -EINVAL;
+ }
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
index 0609acf..03ec1e5 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
@@ -349,8 +349,10 @@ static int polaris10_smu_init(struct pp_hwmgr *hwmgr)
hwmgr->smu_backend = smu_data;
- if (smu7_init(hwmgr))
+ if (smu7_init(hwmgr)) {
+ kfree(smu_data);
return -EINVAL;
+ }
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c
index 6f360c3..2d68fae 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c
@@ -347,7 +347,7 @@ static int rv_smu_init(struct pp_hwmgr *hwmgr)
&priv->smu_tables.entry[WMTABLE].table);
if (r)
- return -EINVAL;
+ goto err0;
priv->smu_tables.entry[WMTABLE].version = 0x01;
priv->smu_tables.entry[WMTABLE].size = sizeof(Watermarks_t);
@@ -363,18 +363,22 @@ static int rv_smu_init(struct pp_hwmgr *hwmgr)
&priv->smu_tables.entry[CLOCKTABLE].mc_addr,
&priv->smu_tables.entry[CLOCKTABLE].table);
- if (r) {
- amdgpu_bo_free_kernel(&priv->smu_tables.entry[WMTABLE].handle,
- &priv->smu_tables.entry[WMTABLE].mc_addr,
- &priv->smu_tables.entry[WMTABLE].table);
- return -EINVAL;
- }
+ if (r)
+ goto err1;
priv->smu_tables.entry[CLOCKTABLE].version = 0x01;
priv->smu_tables.entry[CLOCKTABLE].size = sizeof(DpmClocks_t);
priv->smu_tables.entry[CLOCKTABLE].table_id = TABLE_DPMCLOCKS;
return 0;
+
+err1:
+ amdgpu_bo_free_kernel(&priv->smu_tables.entry[WMTABLE].handle,
+ &priv->smu_tables.entry[WMTABLE].mc_addr,
+ &priv->smu_tables.entry[WMTABLE].table);
+err0:
+ kfree(priv);
+ return -EINVAL;
}
const struct pp_smumgr_func rv_smu_funcs = {
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
index 39d6f4e..26cca8c 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
@@ -229,8 +229,10 @@ static int tonga_smu_init(struct pp_hwmgr *hwmgr)
hwmgr->smu_backend = tonga_priv;
- if (smu7_init(hwmgr))
+ if (smu7_init(hwmgr)) {
+ kfree(tonga_priv);
return -EINVAL;
+ }
return 0;
}
--
2.7.4
|
