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drm/amdkfd: NULL dereference involving create_process()

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[ 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.carpenter@oracle.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2017-06-14 13:58:53 +03:00 committed by Greg Kroah-Hartman
parent bc12167cc7
commit 00ceff917d
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdkfd/kfd_process.c
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@ -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;