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Defined in 1 files as a variable:

Defined in 1 files as a member:

Defined in 1 files as a function:

Referenced in 6 files:

Smatch caller information:

drivers/tty/n_tty.c copy_from_read_buf() -> zero_buffer()

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->disc_data 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.dep_map->name 0-255
PARAM_VALUE 0 tty->ldisc_sem.read_wait.next->next 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.read_wait.prev->next 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.read_wait.prev->next->next 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.read_wait.prev->prev 4096-ptr_max
PARAM_VALUE 0 tty->termios.c_cc 4096-ptr_max
PARAM_VALUE 0 tty->termios_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 tty->termios_rwsem.first_waiter->type 0-1
PARAM_VALUE 1 buffer 4096-ptr_max
PARAM_VALUE 2 size 1-4096
CAPPED_DATA 0 tty 1
CAPPED_DATA 2 size 1
CAPPED_DATA 2 size 1
DATA_SOURCE 0 tty $0
DATA_SOURCE 1 buffer r read_buf_addr
NOSPEC 2 size
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 2 size 2-63[c]
LOCK2 0 &tty->ldisc_sem
HALF_LOCKED2 &ldata->atomic_read_lock
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 0 &tty->termios_rwsem
TYPE_LOCK (struct tty_struct)->ldisc_sem

drivers/tty/n_tty.c tty_copy() -> zero_buffer()

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->disc_data 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.dep_map->name 0-255
PARAM_VALUE 0 tty->ldisc_sem.read_wait.next->next 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.read_wait.prev->next 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.read_wait.prev->next->next 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.read_wait.prev->prev 4096-ptr_max
PARAM_VALUE 0 tty->ops->unthrottle 0,4096-ptr_max
PARAM_VALUE 0 tty->termios_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 tty->termios_rwsem.first_waiter->type 0-1
PARAM_VALUE 1 buffer 4096-ptr_max
PARAM_VALUE 2 size 1-4096
CAPPED_DATA 0 tty 1
CAPPED_DATA 2 size 1
CAPPED_DATA 2 size 1
DATA_SOURCE 0 tty $0
DATA_SOURCE 1 buffer r read_buf_addr
BIT_INFO 0 tty->termios.c_lflag 0x0,0xfffeffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 0 &tty->ldisc_sem
HALF_LOCKED2 &ldata->atomic_read_lock
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 0 &tty->termios_rwsem
TYPE_LOCK (struct tty_struct)->ldisc_sem

drivers/tty/n_tty.c tty_copy() -> zero_buffer()

Type Parameter Key Value
PARAM_VALUE 0 tty 4096-ptr_max
PARAM_VALUE 0 tty->disc_data 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.dep_map->name 0-255
PARAM_VALUE 0 tty->ldisc_sem.read_wait.next->next 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.read_wait.prev->next 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.read_wait.prev->next->next 4096-ptr_max
PARAM_VALUE 0 tty->ldisc_sem.read_wait.prev->prev 4096-ptr_max
PARAM_VALUE 0 tty->ops->unthrottle 0,4096-ptr_max
PARAM_VALUE 0 tty->termios_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 tty->termios_rwsem.first_waiter->type 0-1
PARAM_VALUE 2 size 0-9223372036854775806
BUF_SIZE 1 buffer (-1),4096
CAPPED_DATA 0 tty 1
CAPPED_DATA 2 size 1
CAPPED_DATA 2 size 1
DATA_SOURCE 0 tty $0
DATA_SOURCE 2 size $3 [m]
BIT_INFO 0 tty->termios.c_lflag 0x0,0xfffeffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 0 &tty->ldisc_sem
HALF_LOCKED2 &ldata->atomic_read_lock
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 0 &tty->termios_rwsem
TYPE_LOCK (struct tty_struct)->ldisc_sem