diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2017-06-14 13:58:53 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-04-13 19:48:16 +0200 |
| commit | 00ceff917d1b5b945756579ba34482179f56ecf2 (patch) | |
| tree | 477db5693478c90a0783197a78727e64662f3455 /drivers/gpu | |
| parent | bc12167cc73ab05e97a9fda355e79d216b630661 (diff) | |
drm/amdkfd: NULL dereference involving create_process()
[ 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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 3 |
1 files changed, 2 insertions, 1 deletions
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; |