From: Dan Carpenter <dan.carpen...@oracle.com>

[ Upstream commit b312b2b25b6ac9e2eb03f4ca651b33108752de3a ]

We accidentally return ERR_PTR(0) which is NULL.  The caller is not
expecting that and it leads to an Oops.

Fixes: dd59239a9862 ("amdkfd: init aperture once per process")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Reviewed-by: Felix Kuehling <felix.kuehl...@amd.com>
Signed-off-by: Oded Gabbay <oded.gab...@gmail.com>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_process.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index ef7c8de7060e..171480bb95d0 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -317,7 +317,8 @@ static struct kfd_process *create_process(const struct 
task_struct *thread)
 
        /* init process apertures*/
        process->is_32bit_user_mode = in_compat_syscall();
-       if (kfd_init_apertures(process) != 0)
+       err = kfd_init_apertures(process);
+       if (err != 0)
                goto err_init_apretures;
 
        return process;
-- 
2.14.1

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