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fxkamdalexdeucher
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drm/amdkfd: Fix memory leak in create_process failure
Fix memory leak due to a leaked mmget reference on an error handling code path that is triggered when attempting to create KFD processes while a GPU reset is in progress. Fixes: 0ab2d75 ("drm/amdkfd: prepare per-process debug enable and disable") CC: Xiaogang Chen <[email protected]> Signed-off-by: Felix Kuehling <[email protected]> Tested-by: Harish Kasiviswanthan <[email protected]> Reviewed-by: Mukul Joshi <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
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drivers/gpu/drm/amd/amdkfd/kfd_process.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -819,9 +819,9 @@ struct kfd_process *kfd_create_process(struct task_struct *thread)
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mutex_lock(&kfd_processes_mutex);
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if (kfd_is_locked()) {
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mutex_unlock(&kfd_processes_mutex);
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pr_debug("KFD is locked! Cannot create process");
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return ERR_PTR(-EINVAL);
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process = ERR_PTR(-EINVAL);
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goto out;
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}
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/* A prior open of /dev/kfd could have already created the process. */

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