247 		if (copy_from_user(kbuf, buf, len)) {  in mtdchar_write()
549 	if (copy_from_user(&p, arg->data, sizeof(p)))  in mtdchar_blkpg_ioctl()
603 	if (copy_from_user(&req, argp, sizeof(req)))  in mtdchar_write_ioctl()
667 		if (copy_from_user(datbuf, usr_data, ops.len) ||  in mtdchar_write_ioctl()
668 		    copy_from_user(oobbuf, usr_oob, ops.ooblen)) {  in mtdchar_write_ioctl()
702 	if (copy_from_user(&req, argp, sizeof(req)))  in mtdchar_read_ioctl()
931 				if (copy_from_user(&einfo64, argp,  in mtdchar_ioctl()
941 				if (copy_from_user(&einfo32, argp,  in mtdchar_ioctl()
962 		if (copy_from_user(&buf, argp, sizeof(buf)))  in mtdchar_ioctl()
976 		if (copy_from_user(&buf, argp, sizeof(buf)))  in mtdchar_ioctl()
989 		if (copy_from_user(&buf, argp, sizeof(buf)))  in mtdchar_ioctl()
1003 		if (copy_from_user(&buf, argp, sizeof(buf)))  in mtdchar_ioctl()
1030 		if (copy_from_user(&einfo, argp, sizeof(einfo)))  in mtdchar_ioctl()
1041 		if (copy_from_user(&einfo, argp, sizeof(einfo)))  in mtdchar_ioctl()
1052 		if (copy_from_user(&einfo, argp, sizeof(einfo)))  in mtdchar_ioctl()
1080 		if (copy_from_user(&offs, argp, sizeof(loff_t)))  in mtdchar_ioctl()
1089 		if (copy_from_user(&offs, argp, sizeof(loff_t)))  in mtdchar_ioctl()
1097 		if (copy_from_user(&mode, argp, sizeof(int)))  in mtdchar_ioctl()
1146 		if (copy_from_user(&oinfo, argp, sizeof(oinfo)))  in mtdchar_ioctl()
1213 		if (copy_from_user(&a, blk_arg, sizeof(a)))  in mtdchar_ioctl()
1278 		if (copy_from_user(&buf, argp, sizeof(buf)))  in mtdchar_compat_ioctl()
1293 		if (copy_from_user(&buf, argp, sizeof(buf)))  in mtdchar_compat_ioctl()
1309 		if (copy_from_user(&compat_arg, uarg, sizeof(compat_arg))) {  in mtdchar_compat_ioctl()