[PATCH next] drm/panthor: unlock on error in panthor_ioctl_bo_create()

[Dan Carpenter]

Call drm_dev_exit() before returning -EINVAL.

Fixes: cd2c9c3015e6 ("drm/panthor: Add flag to map GEM object Write-Back 
Cacheable")
Signed-off-by: Dan Carpenter <dan.carpen...@linaro.org>
---
 drivers/gpu/drm/panthor/panthor_drv.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/panthor/panthor_drv.c 
b/drivers/gpu/drm/panthor/panthor_drv.c
index 98d4e8d867ed..165dddfde6ca 100644
--- a/drivers/gpu/drm/panthor/panthor_drv.c
+++ b/drivers/gpu/drm/panthor/panthor_drv.c
@@ -923,8 +923,10 @@ static int panthor_ioctl_bo_create(struct drm_device 
*ddev, void *data,
        }
 
        if ((args->flags & DRM_PANTHOR_BO_NO_MMAP) &&
-           (args->flags & DRM_PANTHOR_BO_WB_MMAP))
-               return -EINVAL;
+           (args->flags & DRM_PANTHOR_BO_WB_MMAP)) {
+               ret = -EINVAL;
+               goto out_dev_exit;
+       }
 
        if (args->exclusive_vm_id) {
                vm = panthor_vm_pool_get_vm(pfile->vms, args->exclusive_vm_id);
-- 
2.51.0