Daniel Starke 60458ecb07 tty: n_gsm: fix flow control handling in tx path ...

commit 59ff0680ec upstream.

The current implementation constipates all transmission paths during flow
control except for flow control frames. However, these may not be located
at the beginning of the transmission queue of the control channel.
Ensure that flow control frames in the transmission queue for the control
channel are always handled even if constipated by skipping through other
messages.

Fixes: 0af021678d ("tty: n_gsm: fix deadlock and link starvation in outgoing data path")
Signed-off-by: Daniel Starke <daniel.starke@siemens.com>
Link: https://lore.kernel.org/r/20220707113223.3685-3-daniel.starke@siemens.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2026-06-01 17:35:13 +02:00

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hvc

tty: hvc_console: Call hvc_kick in hvc_write unconditionally

2025-10-02 13:39:02 +02:00

ipwireless

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serdev

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serial

serial: uartlite: fix PM runtime usage count underflow on probe

2026-04-18 10:33:18 +02:00

vt

vt: defkeymap: Map keycodes above 127 to K_HOLE

2025-08-28 16:24:27 +02:00

amiserial.c

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ehv_bytechan.c

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goldfish.c

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Kconfig

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Makefile

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mips_ejtag_fdc.c

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moxa.c

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moxa.h

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mxser.c

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n_gsm.c

tty: n_gsm: fix flow control handling in tx path

2026-06-01 17:35:13 +02:00

n_hdlc.c

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n_null.c

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n_tty.c

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nozomi.c

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pty.c

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synclink_gt.c

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sysrq.c

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tty_audit.c

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tty_baudrate.c

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tty_buffer.c

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tty_io.c

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tty_ioctl.c

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tty_jobctrl.c

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tty_ldisc.c

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tty_ldsem.c

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tty_mutex.c

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tty_port.c

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tty.h

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ttynull.c

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vcc.c

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