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(parent: 17e6791) | patch
USB: omninet: fix potential tty NULL dereference
authorAlexey Khoroshilov <khoroshilov@ispras.ru>
Thu, 13 Sep 2012 18:56:55 +0000 (22:56 +0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 14 Sep 2012 04:48:48 +0000 (21:48 -0700)
commit8321652ae22f38830af5b553f3a316d68948ddce
tree50f5c69c176d43d5e86e2cc3382dc199c3bce427tree | snapshot
parent17e6791082e3dc34d0b43fd50ff8655fdfcc3a99commit | diff
USB: omninet: fix potential tty NULL dereference

Add check for return value of tty_port_tty_get,
since it can return NULL after port hangup that may happen anytime.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/omninet.c diff | blob | history
Domain: System / Kernel;