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linux-stable/drivers/tty
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Linus Torvalds 41c6f6b926 tty: implement read_iter 
[ Upstream commit dd78b0c483 ]

Now that the ldisc read() function takes kernel pointers, it's fairly
straightforward to make the tty file operations use .read_iter() instead
of .read().

That automatically gives us vread() and friends, and also makes it
possible to do .splice_read() on ttys again.

Fixes: 36e2c7421f ("fs: don't allow splice read/write without explicit ops")
Reported-by: Oliver Giles <ohw.giles@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-04 11:37:36 +01:00
..
hvc tty: hvc: fix link error with CONFIG_SERIAL_CORE_CONSOLE=n 2020-09-27 14:17:43 +02:00
ipwireless tty: ipwireless: fix error handling 2020-09-04 18:08:16 +02:00
serdev
serial serial: mvebu-uart: fix tx lost characters at power off 2021-01-27 11:55:16 +01:00
vt TTY/Serial fixes for 5.10-rc3 2020-11-08 11:28:08 -08:00
amiserial.c
cyclades.c treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
ehv_bytechan.c
goldfish.c
isicom.c treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile
mips_ejtag_fdc.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
moxa.c
moxa.h tty: fix spelling mistake 2020-06-27 16:21:20 +02:00
mxser.c tty: mxser: make mxser_change_speed() return void 2020-05-15 14:47:05 +02:00
mxser.h
n_gsm.c tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer 2021-03-04 11:37:36 +01:00
n_hdlc.c tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer 2021-03-04 11:37:36 +01:00
n_null.c tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer 2021-03-04 11:37:36 +01:00
n_r3964.c tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer 2021-03-04 11:37:36 +01:00
n_tracerouter.c tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer 2021-03-04 11:37:36 +01:00
n_tracesink.c tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer 2021-03-04 11:37:36 +01:00
n_tracesink.h
n_tty.c tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer 2021-03-04 11:37:36 +01:00
nozomi.c
pty.c pty: do tty_flip_buffer_push without port->lock in pty_write 2020-09-04 18:10:30 +02:00
rocket.c Merge 5.7-rc3 into tty-next 2020-04-27 09:33:21 +02:00
rocket.h
rocket_int.h
synclink.c tty: synclink, fix kernel-doc 2020-08-18 13:51:18 +02:00
synclink_gt.c tty: synclink_gt: switch from 'pci_' to 'dma_' API 2020-09-04 18:07:22 +02:00
synclinkmp.c tty: synclink, fix kernel-doc 2020-08-18 13:51:18 +02:00
sysrq.c tty/sysrq: Extend the sysrq_key_table to cover capital letters 2020-10-02 14:56:06 +02:00
tty_audit.c
tty_baudrate.c tty: fix kernel-doc 2020-08-18 13:51:18 +02:00
tty_buffer.c tty: fix kernel-doc 2020-08-18 13:51:18 +02:00
tty_io.c tty: implement read_iter 2021-03-04 11:37:36 +01:00
tty_ioctl.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
tty_jobctrl.c tty: Fix ->session locking 2020-12-04 17:39:58 +01:00
tty_ldisc.c tty: fix kernel-doc 2020-08-18 13:51:18 +02:00
tty_ldsem.c
tty_mutex.c
tty_port.c
ttynull.c
vcc.c sparc64: vcc: Fix error return code in vcc_probe() 2020-04-28 14:38:54 +02:00