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4fb266e197
tty_operations::flush_buffer is optional. If it doesn't exist, nothing is called. So remove almost¹ empty flush_buffer implementations. ¹ capi had an useless pr_debug in it. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Link: https://lore.kernel.org/r/20210505091928.22010-31-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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