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linux/drivers/tty
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Fan Wu 4409154992 serial: amba-pl011: synchronize DMA teardown 
dmaengine_terminate_all() does not wait for a running callback, so the TX
callback can still touch the TX buffer after it is freed. The RX poll
timer reads the RX buffers without the port lock.

Switch to dmaengine_terminate_sync() and delete the RX timer before
freeing the buffers.

Fixes: ead76f329f ("ARM: 6763/1: pl011: add optional RX DMA to PL011 v2")
Cc: stable <stable@kernel.org>
Assisted-by: Codex:gpt-5.6
Signed-off-by: Fan Wu <fanwu01@zju.edu.cn>
Link: https://patch.msgid.link/20260731085915.326775-4-fanwu01@zju.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-08-03 16:31:22 +02:00
..
hvc s390/hvc_iucv: Replace get_zeroed_page() with kzalloc() 2026-06-03 15:32:45 +02:00
ipwireless Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
serdev serdev: Do not return -ENODEV from of_serdev_register_devices() if external connector is used 2026-03-31 09:48:43 +02:00
serial serial: amba-pl011: synchronize DMA teardown 2026-08-03 16:31:22 +02:00
vt vt: add permission check for KDSKBMETA ioctl 2026-08-03 16:31:14 +02:00
amiserial.c tty: amiserial: Fix namespace collision and startup() section placement with -ffunction-sections 2025-11-21 10:04:09 +01:00
ehv_bytechan.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
goldfish.c Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files) 2026-07-03 07:38:17 +02:00
Kconfig tty: synclink_gt: remove broken driver 2026-05-11 16:55:56 +02:00
Makefile tty: synclink_gt: remove broken driver 2026-05-11 16:55:56 +02:00
mips_ejtag_fdc.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
moxa.c tty: moxa: use guard()s 2025-11-21 18:30:40 +01:00
mxser.c mxser: use guard()s 2025-08-17 12:46:26 +02:00
n_gsm.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
n_hdlc.c tty: synclink_gt: remove broken driver 2026-05-11 16:55:56 +02:00
n_null.c tty: ldops: unify to u8 2023-08-11 21:12:47 +02:00
n_tty.c tty: n_tty: use guard()s 2025-11-21 18:30:40 +01:00
nozomi.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
pty.c tty: tty_port: add workqueue to flip TTY buffer 2026-03-12 15:26:29 +01:00
rpmsg_tty.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
sysrq.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
tty_audit.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
tty_baudrate.c
tty_buffer.c tty: tty_port: add workqueue to flip TTY buffer 2026-03-12 15:26:29 +01:00
tty_io.c tty: tty_port: add workqueue to flip TTY buffer 2026-03-12 15:26:29 +01:00
tty_ioctl.c tty: simplify throttling using guard()s 2025-04-25 13:46:30 +02:00
tty_jobctrl.c tty: tty_jobctrl: fix pid memleak in disassociate_ctty() 2023-09-18 11:14:43 +02:00
tty_ldisc.c tty: constify tty_ldisc_ops 2026-03-12 15:05:34 +01:00
tty_ldsem.c tty/ldsem: Remove unused ldsem_down_write_trylock 2025-02-04 14:38:42 +01:00
tty_mutex.c
tty_port.c tty: tty_port: add workqueue to flip TTY buffer 2026-03-12 15:26:29 +01:00
tty.h tty: convert THROTTLE constants into enum 2023-10-03 14:31:16 +02:00
ttynull.c tty: add missing MODULE_DESCRIPTION() macros 2024-06-24 16:10:11 +02:00
vcc.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00