usr_data 591 drivers/mtd/mtdchar.c const void __user *usr_data, *usr_oob; usr_data 597 drivers/mtd/mtdchar.c usr_data = (const void __user *)(uintptr_t)req.usr_data; usr_data 608 drivers/mtd/mtdchar.c if (usr_data) { usr_data 609 drivers/mtd/mtdchar.c ops.datbuf = memdup_user(usr_data, ops.len); usr_data 88 include/uapi/mtd/mtd-abi.h __u64 usr_data;