Johan Hovold 77a1c15145 serial: core: return early on unsupported ioctls ...

[ Upstream commit 79c5966cec ]

Drivers can return -ENOIOCTLCMD when an ioctl is not recognised to tell
the upper layers to continue looking for a handler.

This is not the case for the RS485 and ISO7816 ioctls whose handlers
should return -ENOTTY directly in case a serial driver does not
implement the corresponding methods.

Fixes: a5f276f10f ("serial_core: Handle TIOC[GS]RS485 ioctls.")
Fixes: ad8c0eaa0a ("tty/serial_core: add ISO7816 infrastructure")
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210407095208.31838-9-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2021-05-14 09:44:22 +02:00

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hvc

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ipwireless

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serdev

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serial

serial: core: return early on unsupported ioctls

2021-05-14 09:44:22 +02:00

vt

tty: fix memory leak in vc_deallocate

2021-05-11 14:04:17 +02:00

amiserial.c

tty: amiserial: fix TIOCSSERIAL permission check

2021-05-14 09:44:10 +02:00

cyclades.c

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ehv_bytechan.c

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goldfish.c

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isicom.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

tty: moxa: fix TIOCSSERIAL permission check

2021-05-14 09:44:11 +02:00

moxa.h

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mxser.c

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mxser.h

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n_gsm.c

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n_hdlc.c

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n_null.c

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n_r3964.c

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n_tracerouter.c

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n_tracesink.c

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n_tracesink.h

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n_tty.c

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nozomi.c

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pty.c

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rocket_int.h

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rocket.c

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rocket.h

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synclink_gt.c

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synclink.c

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synclinkmp.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

tty: fix return value for unsupported ioctls

2021-05-14 09:44:22 +02:00

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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ttynull.c

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vcc.c

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