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aae20f6e34
linux-stable/drivers/tty
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Wolfram Sang aae20f6e34 serial: sh-sci: protect invalidating RXDMA on shutdown 
The to-be-fixed commit removed locking when invalidating the DMA RX
descriptors on shutdown. It overlooked that there is still a rx_timer
running which may still access the protected data. So, re-add the
locking.

Reported-by: Dirk Behme <dirk.behme@de.bosch.com>
Closes: https://lore.kernel.org/r/ee6c9e16-9f29-450e-81da-4a8dceaa8fc7@de.bosch.com
Fixes: 2c4ee23530 ("serial: sh-sci: Postpone DMA release when falling back to PIO")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240506114016.30498-7-wsa+renesas@sang-engineering.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-05-10 11:48:33 +01:00
..
hvc tty: hvc: Remove second semicolon 2024-04-09 15:49:00 +02:00
ipwireless tty: ipwireless: remove unused ipw_dev::attribute_memory 2023-11-23 19:16:03 +00:00
serdev serdev: make serdev_bus_type const 2024-02-06 14:35:38 +00:00
serial serial: sh-sci: protect invalidating RXDMA on shutdown 2024-05-10 11:48:33 +01:00
vt tty: add the option to have a tty reject a new ldisc 2024-05-04 18:45:11 +02:00
amiserial.c serial: ami: Mark driver struct with __refdata to prevent section mismatch 2024-04-09 15:50:22 +02:00
ehv_bytechan.c tty: ehv_bytechan: convert to u8 and size_t 2023-12-08 12:02:37 +01:00
goldfish.c tty: goldfish: Convert to platform remove callback returning void 2024-02-19 09:40:50 +01:00
Kconfig vt: remove superfluous CONFIG_HW_CONSOLE 2024-01-27 19:03:51 -08:00
Makefile tty: add rpmsg driver 2021-10-21 12:35:35 +02:00
mips_ejtag_fdc.c tty: mips_ejtag_fdc: Fix passing incompatible pointer type warning 2024-02-23 10:14:16 +01:00
moxa.c tty: moxa: convert to u8 and size_t 2023-12-08 12:02:38 +01:00
mxser.c tty: mxser: convert to u8 and size_t 2023-12-08 12:02:38 +01:00
n_gsm.c tty: n_gsm: replace deprecated strncpy with strscpy 2024-04-09 15:49:04 +02:00
n_hdlc.c tty: n_hdlc: convert to u8 and size_t 2023-12-08 12:02:38 +01:00
n_null.c tty: ldops: unify to u8 2023-08-11 21:12:47 +02:00
n_tty.c tty: invert return values of tty_{,un}throttle_safe() 2023-10-03 14:31:15 +02:00
nozomi.c tty: nozomi: convert to u8 and size_t 2023-12-08 12:02:38 +01:00
pty.c tty: make tty_operations::write()'s count size_t 2023-08-11 21:12:46 +02:00
rpmsg_tty.c tty: make tty_operations::write()'s count size_t 2023-08-11 21:12:46 +02:00
synclink_gt.c tty: make tty_operations::write()'s count size_t 2023-08-11 21:12:46 +02:00
sysrq.c tty/sysrq: Replay kernel log messages on consoles via sysrq 2024-04-11 14:22:52 +02:00
tty_audit.c tty: audit: unify to u8 2023-08-11 21:12:46 +02:00
tty_baudrate.c tty: Fix comment style in tty_termios_input_baud_rate() 2022-08-30 14:22:34 +02:00
tty_buffer.c tty: Don't include tty_buffer.h in tty.h 2024-02-18 18:59:59 +01:00
tty_io.c USB / Thunderbolt changes for 6.8-rc1 2024-01-18 11:43:55 -08:00
tty_ioctl.c tty: allow TIOCSLCKTRMIOS with CAP_CHECKPOINT_RESTORE 2023-12-15 14:20:03 +01:00
tty_jobctrl.c tty: tty_jobctrl: fix pid memleak in disassociate_ctty() 2023-09-18 11:14:43 +02:00
tty_ldisc.c tty: add the option to have a tty reject a new ldisc 2024-05-04 18:45:11 +02:00
tty_ldsem.c tty/ldsem: Fix syntax errors in comments 2021-12-21 09:15:49 +01:00
tty_mutex.c tty: remove TTY_MAGIC 2022-09-22 16:12:34 +02:00
tty_port.c tty: switch tty_port::xmit_* to u8 2023-12-08 12:02:37 +01:00
tty.h tty: convert THROTTLE constants into enum 2023-10-03 14:31:16 +02:00
ttynull.c tty: make tty_operations::write()'s count size_t 2023-08-11 21:12:46 +02:00
vcc.c tty: vcc: Add check for kstrdup() in vcc_probe() 2023-09-18 11:14:42 +02:00