2711 			     struct v4l2_ctrl_helper *helpers,  in prepare_ext_ctrls()  argument
2718 	for (i = 0, h = helpers; i < cs->count; i++, h++) {  in prepare_ext_ctrls()
2778 		helpers[i].mref->helper = NULL;  in prepare_ext_ctrls()
2779 	for (i = 0, h = helpers; i < cs->count; i++, h++) {  in prepare_ext_ctrls()
2816 	struct v4l2_ctrl_helper *helpers = helper;  in v4l2_g_ext_ctrls()  local
2830 		helpers = kmalloc_array(cs->count, sizeof(helper[0]),  in v4l2_g_ext_ctrls()
2832 		if (helpers == NULL)  in v4l2_g_ext_ctrls()
2836 	ret = prepare_ext_ctrls(hdl, cs, helpers, true);  in v4l2_g_ext_ctrls()
2840 		if (helpers[i].ctrl->flags & V4L2_CTRL_FLAG_WRITE_ONLY)  in v4l2_g_ext_ctrls()
2848 		if (helpers[i].mref == NULL)  in v4l2_g_ext_ctrls()
2851 		master = helpers[i].mref->ctrl;  in v4l2_g_ext_ctrls()
2872 						   helpers[idx].ctrl);  in v4l2_g_ext_ctrls()
2873 				idx = helpers[idx].next;  in v4l2_g_ext_ctrls()
2880 		kfree(helpers);  in v4l2_g_ext_ctrls()
3016 			  struct v4l2_ctrl_helper *helpers, bool set)  in validate_ctrls()  argument
3023 		struct v4l2_ctrl *ctrl = helpers[i].ctrl;  in validate_ctrls()
3075 	struct v4l2_ctrl_helper *helpers = helper;  in try_set_ext_ctrls()  local
3089 		helpers = kmalloc_array(cs->count, sizeof(helper[0]),  in try_set_ext_ctrls()
3091 		if (!helpers)  in try_set_ext_ctrls()
3094 	ret = prepare_ext_ctrls(hdl, cs, helpers, false);  in try_set_ext_ctrls()
3096 		ret = validate_ctrls(cs, helpers, set);  in try_set_ext_ctrls()
3103 		if (helpers[i].mref == NULL)  in try_set_ext_ctrls()
3107 		master = helpers[i].mref->ctrl;  in try_set_ext_ctrls()
3130 				if (helpers[tmp_idx].ctrl == master)  in try_set_ext_ctrls()
3132 				tmp_idx = helpers[tmp_idx].next;  in try_set_ext_ctrls()
3143 			struct v4l2_ctrl *ctrl = helpers[idx].ctrl;  in try_set_ext_ctrls()
3148 			idx = helpers[idx].next;  in try_set_ext_ctrls()
3159 						helpers[idx].ctrl);  in try_set_ext_ctrls()
3160 				idx = helpers[idx].next;  in try_set_ext_ctrls()
3167 		kfree(helpers);  in try_set_ext_ctrls()