lkml.org 
[lkml]   [2020]   [Aug]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH AUTOSEL 5.7 05/61] drm/amdgpu: fix RAS memory leak in error case
Date
From: Guchun Chen <guchun.chen@amd.com>

[ Upstream commit 5e91160ac0b5cfbbaeb62cbff8b069262095f744 ]

RAS context memory needs to freed in failure case.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index cd18596b47d33..78b378867b97a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1843,9 +1843,8 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
amdgpu_ras_check_supported(adev, &con->hw_supported,
&con->supported);
if (!con->hw_supported) {
- amdgpu_ras_set_context(adev, NULL);
- kfree(con);
- return 0;
+ r = 0;
+ goto err_out;
}

con->features = 0;
@@ -1856,29 +1855,31 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
if (adev->nbio.funcs->init_ras_controller_interrupt) {
r = adev->nbio.funcs->init_ras_controller_interrupt(adev);
if (r)
- return r;
+ goto err_out;
}

if (adev->nbio.funcs->init_ras_err_event_athub_interrupt) {
r = adev->nbio.funcs->init_ras_err_event_athub_interrupt(adev);
if (r)
- return r;
+ goto err_out;
}

amdgpu_ras_mask &= AMDGPU_RAS_BLOCK_MASK;

- if (amdgpu_ras_fs_init(adev))
- goto fs_out;
+ if (amdgpu_ras_fs_init(adev)) {
+ r = -EINVAL;
+ goto err_out;
+ }

DRM_INFO("RAS INFO: ras initialized successfully, "
"hardware ability[%x] ras_mask[%x]\n",
con->hw_supported, con->supported);
return 0;
-fs_out:
+err_out:
amdgpu_ras_set_context(adev, NULL);
kfree(con);

- return -EINVAL;
+ return r;
}

/* helper function to handle common stuff in ip late init phase */
--
2.25.1
\
 
 \ /
  Last update: 2020-08-21 18:20    [W:0.331 / U:0.104 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site