Commit 18921b20 authored by Felix Kuehling's avatar Felix Kuehling Committed by Alex Deucher
Browse files

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: 0ab2d753 ("drm/amdkfd: prepare per-process debug enable and disable")
CC: Xiaogang Chen <xiaogang.chen@amd.com>
Signed-off-by: default avatarFelix Kuehling <felix.kuehling@amd.com>
Tested-by: default avatarHarish Kasiviswanthan <Harish.Kasiviswanthan@amd.com>
Reviewed-by: default avatarMukul Joshi <mukul.joshi@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent ca7c4507

drivers/gpu/drm/amd/amdkfd/kfd_process.c

+2 −2
Original line number Diff line number Diff line
@@ -819,9 +819,9 @@ struct kfd_process *kfd_create_process(struct task_struct *thread) 
	mutex_lock(&kfd_processes_mutex);



	if (kfd_is_locked()) {

		mutex_unlock(&kfd_processes_mutex);

		pr_debug("KFD is locked! Cannot create process");

		return ERR_PTR(-EINVAL);

		process = ERR_PTR(-EINVAL);

		goto out;

	}



	/* A prior open of /dev/kfd could have already created the process. */