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(parent: 35b8ecf) | patch
USB: serial/kobil_sct, fix potential tty NULL dereference
authorJiri Slaby <jslaby@suse.cz>
Mon, 28 Feb 2011 09:34:06 +0000 (10:34 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 1 Mar 2011 03:24:54 +0000 (19:24 -0800)
commit4a36c439a5a5c5cc23df1ab39e49c03f6ab4bbd7
tree57d7c5e0177399c5aa92bec9b1510dfcc6b2d684tree | snapshot
parent35b8ecfaf67f0e4ea639b51eb7d6f9d4b0e9eadccommit | diff
USB: serial/kobil_sct, fix potential tty NULL dereference

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

The only place here is in kobil_read_int_callback, so fix it.

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