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(parent: dad7274) | patch
tty: USB: serial/mct_u232, fix tty refcnt
authorJiri Slaby <jirislaby@gmail.com>
Sun, 6 Sep 2009 21:10:10 +0000 (23:10 +0200)
committerLive-CD User <linux@linux.site>
Sat, 19 Sep 2009 20:13:37 +0000 (13:13 -0700)
commit4260cb9d5289782dd0846dd8390f5004238962eb
treef27ff34eb965df9437b56614689578ce5d3dffd4tree | snapshot
parentdad7274896d30cd933d2cc95c20691cfb123143fcommit | diff
tty: USB: serial/mct_u232, fix tty refcnt

Stanse found a tty refcnt leak in read_int_callback. In fact
it's handled wrong altogether. tty_port_tty_get can return NULL
and it's not checked in that manner.

Fix that by checking the tty_port_tty_get retval and put tty kref
properly.

http://stanse.fi.muni.cz/

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/serial/mct_u232.c diff | blob | history
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