* [PATCH AUTOSEL 5.4 36/58] drm/amdgpu: fix memory leak during TDR test(v2)
[not found] <20200305171420.29595-1-sashal@kernel.org>
@ 2020-03-05 17:13 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2020-03-05 17:13 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Sasha Levin, dri-devel, amd-gfx, Alex Deucher, Monk Liu,
Hawking Zhang
From: Monk Liu <Monk.Liu@amd.com>
[ Upstream commit 4829f89855f1d3a3d8014e74cceab51b421503db ]
fix system memory leak
v2:
fix coding style
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index c5257ae3188a3..0922d9cd858a0 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -988,8 +988,12 @@ static int smu_v11_0_init_max_sustainable_clocks(struct smu_context *smu)
struct smu_11_0_max_sustainable_clocks *max_sustainable_clocks;
int ret = 0;
- max_sustainable_clocks = kzalloc(sizeof(struct smu_11_0_max_sustainable_clocks),
+ if (!smu->smu_table.max_sustainable_clocks)
+ max_sustainable_clocks = kzalloc(sizeof(struct smu_11_0_max_sustainable_clocks),
GFP_KERNEL);
+ else
+ max_sustainable_clocks = smu->smu_table.max_sustainable_clocks;
+
smu->smu_table.max_sustainable_clocks = (void *)max_sustainable_clocks;
max_sustainable_clocks->uclock = smu->smu_table.boot_values.uclk / 100;
--
2.20.1
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