[PATCH AUTOSEL 5.6 091/129] drm/amdkfd: kfree the wrong pointer

Sasha Levin
2020-04-15T13:02:39Z

From: Jack Zhang <Jack.Zhang1@amd.com>

[ Upstream commit 3148a6a0ef3cf93570f30a477292768f7eb5d3c3 ]

Originally, it kfrees the wrong pointer for mem_obj.
It would cause memory leak under stress test.

Signed-off-by: Jack Zhang <Jack.Zhang1@amd.com>
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/amdkfd/kfd_device.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 2a9e401317353..0d70cb2248fe9 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -1104,9 +1104,9 @@ int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size,
return 0;

kfd_gtt_no_free_chunk:
- pr_debug("Allocation failed with mem_obj = %p\n", mem_obj);
+ pr_debug("Allocation failed with mem_obj = %p\n", *mem_obj);
mutex_unlock(&kfd->gtt_sa_lock);
- kfree(mem_obj);
+ kfree(*mem_obj);
return -ENOMEM;
}

--
2.20.1