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| author | Philip Yang <Philip.Yang@amd.com> | 2021-11-26 12:42:50 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-12-01 16:07:06 -0500 |
| commit | 71f8f119237ff2dd4fed49aa79eecdc50ed41ddb (patch) | |
| tree | b2f8a79598f315f65acbeafede867c58a2fc433f /drivers/gpu/drm | |
| parent | 007f8539d03d557157fce2e5cc6016275f835906 (diff) | |
| download | linux-71f8f119237ff2dd4fed49aa79eecdc50ed41ddb.tar.bz2 | |
drm/amdkfd: set "r = 0" explicitly before goto
To silence the following Smatch static checker warning:
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:2615
svm_range_restore_pages()
warn: missing error code here? 'get_task_mm()' failed. 'r' = '0'
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 663489ae56d7..187e8ab66baa 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -2603,6 +2603,7 @@ svm_range_restore_pages(struct amdgpu_device *adev, unsigned int pasid, if (atomic_read(&svms->drain_pagefaults)) { pr_debug("draining retry fault, drop fault 0x%llx\n", addr); + r = 0; goto out; } @@ -2612,6 +2613,7 @@ svm_range_restore_pages(struct amdgpu_device *adev, unsigned int pasid, mm = get_task_mm(p->lead_thread); if (!mm) { pr_debug("svms 0x%p failed to get mm\n", svms); + r = 0; goto out; } @@ -2649,6 +2651,7 @@ retry_write_locked: if (svm_range_skip_recover(prange)) { amdgpu_gmc_filter_faults_remove(adev, addr, pasid); + r = 0; goto out_unlock_range; } @@ -2657,6 +2660,7 @@ retry_write_locked: if (timestamp < AMDGPU_SVM_RANGE_RETRY_FAULT_PENDING) { pr_debug("svms 0x%p [0x%lx %lx] already restored\n", svms, prange->start, prange->last); + r = 0; goto out_unlock_range; } |