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(parent: 7adc14b) | patch
USB: serial/keyspan_pda, fix potential tty NULL dereferences
authorJiri Slaby <jslaby@suse.cz>
Mon, 28 Feb 2011 09:34:05 +0000 (10:34 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 1 Mar 2011 03:24:54 +0000 (19:24 -0800)
commitf7d7aedfcd4e20e7dfc7356d30cc22dc0b0f493e
tree69b2b977e5900de9e5a5a2b934ecadc7b0ccbf33tree | snapshot (tar.gz zip)
parent7adc14b14b43b6ca9f2f00ac7a4780577dbe883bcommit | diff
USB: serial/keyspan_pda, fix potential tty NULL dereferences

Make sure that we check the return value of tty_port_tty_get.
Sometimes it may return NULL and we later dereference that.

There are several places to check. For easier handling,
tty_port_tty_get is moved directly to the palce where needed in
keyspan_pda_rx_interrupt.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/serial/keyspan_pda.c diff | blob | blame | history
Motorola kernel-slsi