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authorTilman Schmidt <tilman@imap.cc>2015-07-14 00:37:13 +0200
committerDavid S. Miller <davem@davemloft.net>2015-07-15 17:24:45 -0700
commitfd98e9419d8d622a4de91f76b306af6aa627aa9c (patch)
treee9047d514d1ba80a6aad4027860dd1c4d4e3f42a /lib/kstrtox.c
parent052cbda41fdc243a8d40cce7ab3a6327b4b2887e (diff)
isdn/gigaset: reset tty->receive_room when attaching ser_gigaset
Commit 79901317ce80 ("n_tty: Don't flush buffer when closing ldisc"), first merged in kernel release 3.10, caused the following regression in the Gigaset M101 driver: Before that commit, when closing the N_TTY line discipline in preparation to switching to N_GIGASET_M101, receive_room would be reset to a non-zero value by the call to n_tty_flush_buffer() in n_tty's close method. With the removal of that call, receive_room might be left at zero, blocking data reception on the serial line. The present patch fixes that regression by setting receive_room to an appropriate value in the ldisc open method. Fixes: 79901317ce80 ("n_tty: Don't flush buffer when closing ldisc") Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib/kstrtox.c')
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