4983 		struct mtop mtc;  in osst_ioctl()  local
4986 		if (_IOC_SIZE(cmd_in) != sizeof(mtc)) {  in osst_ioctl()
4991 		i = copy_from_user((char *) &mtc, p, sizeof(struct mtop));  in osst_ioctl()
4997 		if (mtc.mt_op == MTSETDRVBUFFER && !capable(CAP_SYS_ADMIN)) {  in osst_ioctl()
5003 		if (!STm->defined && (mtc.mt_op != MTSETDRVBUFFER && (mtc.mt_count & MT_ST_OPTIONS) == 0)) {  in osst_ioctl()
5011 				if (mtc.mt_op == MTFSF || mtc.mt_op == MTFSFM|| mtc.mt_op == MTEOM) {  in osst_ioctl()
5012 					mtc.mt_count -= 1;  in osst_ioctl()
5016 				else if (mtc.mt_op == MTBSF || mtc.mt_op == MTBSFM) {  in osst_ioctl()
5017 					mtc.mt_count += 1;  in osst_ioctl()
5023 			if (mtc.mt_op == MTSEEK) {  in osst_ioctl()
5028 				i = mtc.mt_op == MTREW   || mtc.mt_op == MTOFFL ||  in osst_ioctl()
5029 				    mtc.mt_op == MTRETEN || mtc.mt_op == MTEOM  ||  in osst_ioctl()
5030 				    mtc.mt_op == MTLOCK  || mtc.mt_op == MTLOAD ||  in osst_ioctl()
5031 				    mtc.mt_op == MTFSF   || mtc.mt_op == MTFSFM ||  in osst_ioctl()
5032 				    mtc.mt_op == MTBSF   || mtc.mt_op == MTBSFM ||  in osst_ioctl()
5033 				    mtc.mt_op == MTCOMPRESSION;  in osst_ioctl()
5047 			if(mtc.mt_op != MTREW   &&  in osst_ioctl()
5048 			   mtc.mt_op != MTOFFL  &&  in osst_ioctl()
5049 			   mtc.mt_op != MTRETEN &&  in osst_ioctl()
5050 			   mtc.mt_op != MTERASE &&  in osst_ioctl()
5051 			   mtc.mt_op != MTSEEK  &&  in osst_ioctl()
5052 			   mtc.mt_op != MTEOM)   {  in osst_ioctl()
5061 		if (mtc.mt_op != MTCOMPRESSION  && mtc.mt_op != MTLOCK         &&  in osst_ioctl()
5062 		    mtc.mt_op != MTNOP          && mtc.mt_op != MTSETBLK       &&  in osst_ioctl()
5063 		    mtc.mt_op != MTSETDENSITY   && mtc.mt_op != MTSETDRVBUFFER &&   in osst_ioctl()
5064 		    mtc.mt_op != MTMKPART       && mtc.mt_op != MTSETPART      &&  in osst_ioctl()
5065 		    mtc.mt_op != MTWEOF         && mtc.mt_op != MTWSM           ) {  in osst_ioctl()
5081 							!(mtc.mt_op == MTREW || mtc.mt_op == MTOFFL));  in osst_ioctl()
5083 							!(mtc.mt_op == MTREW || mtc.mt_op == MTOFFL));  in osst_ioctl()
5097 		if (mtc.mt_op == MTOFFL && STp->door_locked != ST_UNLOCKED)  in osst_ioctl()
5100 		if (mtc.mt_op == MTSETDRVBUFFER &&  in osst_ioctl()
5101 		   (mtc.mt_count & MT_ST_OPTIONS) != 0) {  in osst_ioctl()
5102 			retval = osst_set_options(STp, mtc.mt_count);  in osst_ioctl()
5106 		if (mtc.mt_op == MTSETPART) {  in osst_ioctl()
5107 			if (mtc.mt_count >= STp->nbr_partitions)  in osst_ioctl()
5110 				STp->new_partition = mtc.mt_count;  in osst_ioctl()
5116 		if (mtc.mt_op == MTMKPART) {  in osst_ioctl()
5138 		if (mtc.mt_op == MTSEEK) {  in osst_ioctl()
5140 				i = osst_set_frame_position(STp, &SRpnt, mtc.mt_count, 0);  in osst_ioctl()
5142 				i = osst_seek_sector(STp, &SRpnt, mtc.mt_count);  in osst_ioctl()
5149 		if (mtc.mt_op == MTLOCK || mtc.mt_op == MTUNLOCK) {  in osst_ioctl()
5150 			retval = do_door_lock(STp, (mtc.mt_op == MTLOCK));  in osst_ioctl()
5157 		if (mtc.mt_op == MTCOMPRESSION)  in osst_ioctl()
5162 			retval = osst_int_ioctl(STp, &SRpnt, mtc.mt_op, mtc.mt_count);  in osst_ioctl()