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(parent: ab78b0c) | patch
tty: make everyone's chars_in_buffer return >= 0
authorJiri Slaby <jslaby@suse.cz>
Tue, 2 Mar 2021 06:22:13 +0000 (07:22 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 10 Mar 2021 08:34:09 +0000 (09:34 +0100)
commit10eb63e5a9b243181f0e87033875f94f3698afda
tree1cbf86edec2d1de1fd54fcfcc72a5e5cc56b0425tree | snapshot
parentab78b0c9fa9dfc02f823aac9f8174d4ee0585057commit | diff
tty: make everyone's chars_in_buffer return >= 0

The tty line disciplines don't expect tty_operations::chars_in_buffer to
return negative values. Fix the two drivers which violate this.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210302062214.29627-43-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/n_gsm.c diff | blob | history
drivers/tty/vcc.c diff | blob | history
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