215 			     struct v4l2_ctrl_helper *helpers,  in prepare_ext_ctrls()  argument
223 	for (i = 0, h = helpers; i < cs->count; i++, h++) {  in prepare_ext_ctrls()
336 		helpers[i].mref->helper = NULL;  in prepare_ext_ctrls()
337 	for (i = 0, h = helpers; i < cs->count; i++, h++) {  in prepare_ext_ctrls()
389 	struct v4l2_ctrl_helper *helpers = helper;  in v4l2_g_ext_ctrls_common()  local
407 		helpers = kvmalloc_array(cs->count, sizeof(helper[0]),  in v4l2_g_ext_ctrls_common()
409 		if (!helpers)  in v4l2_g_ext_ctrls_common()
413 	ret = prepare_ext_ctrls(hdl, cs, helpers, vdev, true);  in v4l2_g_ext_ctrls_common()
417 		if (helpers[i].ref->ctrl->flags & V4L2_CTRL_FLAG_WRITE_ONLY)  in v4l2_g_ext_ctrls_common()
425 		if (!helpers[i].mref)  in v4l2_g_ext_ctrls_common()
428 		master = helpers[i].mref->ctrl;  in v4l2_g_ext_ctrls_common()
462 			struct v4l2_ctrl_ref *ref = helpers[idx].ref;  in v4l2_g_ext_ctrls_common()
474 			idx = helpers[idx].next;  in v4l2_g_ext_ctrls_common()
481 		kvfree(helpers);  in v4l2_g_ext_ctrls_common()
503 			  struct v4l2_ctrl_helper *helpers,  in validate_ctrls()  argument
512 		struct v4l2_ctrl *ctrl = helpers[i].ref->ctrl;  in validate_ctrls()
561 	struct v4l2_ctrl_helper *helpers = helper;  in try_set_ext_ctrls_common()  local
586 		helpers = kvmalloc_array(cs->count, sizeof(helper[0]),  in try_set_ext_ctrls_common()
588 		if (!helpers)  in try_set_ext_ctrls_common()
591 	ret = prepare_ext_ctrls(hdl, cs, helpers, vdev, false);  in try_set_ext_ctrls_common()
593 		ret = validate_ctrls(cs, helpers, vdev, set);  in try_set_ext_ctrls_common()
600 		if (!helpers[i].mref)  in try_set_ext_ctrls_common()
604 		master = helpers[i].mref->ctrl;  in try_set_ext_ctrls_common()
631 				if (helpers[tmp_idx].ref->ctrl == master)  in try_set_ext_ctrls_common()
633 				tmp_idx = helpers[tmp_idx].next;  in try_set_ext_ctrls_common()
648 			struct v4l2_ctrl *ctrl = helpers[idx].ref->ctrl;  in try_set_ext_ctrls_common()
658 			idx = helpers[idx].next;  in try_set_ext_ctrls_common()
678 						  helpers[idx].ref->ctrl);  in try_set_ext_ctrls_common()
679 				idx = helpers[idx].next;  in try_set_ext_ctrls_common()
686 		kvfree(helpers);  in try_set_ext_ctrls_common()