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| author | Somalapuram Amaranath <Amaranath.Somalapuram@amd.com> | 2022-06-02 12:54:58 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-06-06 14:41:12 -0400 |
| commit | 651d7ee63f338b82d18273c30e9ea804ae174342 (patch) | |
| tree | bd650b91016831570262d25f783faa851daf0893 /drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | |
| parent | 6d1044a070b2eef0be45f3b99274a6cebee25053 (diff) | |
| download | lwn-651d7ee63f338b82d18273c30e9ea804ae174342.tar.gz lwn-651d7ee63f338b82d18273c30e9ea804ae174342.zip | |
drm/amdgpu: save the reset dump register value for devcoredump
Allocate memory for register value and use the same values for devcoredump.
v1 -> v2: Change krealloc_array() to kmalloc_array()
v2 -> v3: Fix alignment
Signed-off-by: Somalapuram Amaranath <Amaranath.Somalapuram@amd.com>
Reviewed-by: Shashank Sharma <Shashank.sharma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index eedb12f6b8a3..f3ac7912c29c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -1709,17 +1709,24 @@ static ssize_t amdgpu_reset_dump_register_list_write(struct file *f, i++; } while (len < size); + new = kmalloc_array(i, sizeof(uint32_t), GFP_KERNEL); + if (!new) { + ret = -ENOMEM; + goto error_free; + } ret = down_write_killable(&adev->reset_domain->sem); if (ret) goto error_free; swap(adev->reset_dump_reg_list, tmp); + swap(adev->reset_dump_reg_value, new); adev->num_regs = i; up_write(&adev->reset_domain->sem); ret = size; error_free: kfree(tmp); + kfree(new); return ret; } |