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| author | Oliver Neukum <oliver@neukum.org> | 2007-12-20 11:23:03 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-02-01 22:34:58 (GMT) |
| commit | e58679805dab3fb75df88141d9d869904a93337f (patch) | |
| tree | d14ba8ad0f78b026d452b5f05bc6d54aff4deb87 /Documentation/pm.txt | |
| parent | e7b13ec9235b9fded90f826ceeb8c34548631351 (diff) | |
| download | linux-e58679805dab3fb75df88141d9d869904a93337f.tar.xz | |
USB: fix NULL pointer dereference on drivers/usb/serial/whiteheat.c
Am Sonntag, 16. Dezember 2007 05:23:47 schrieb Andrew Morton:
> On Sat, 15 Dec 2007 07:08:52 -0800 (PST) bugme-daemon@bugzilla.kernel.org wrote:
>
> > http://bugzilla.kernel.org/show_bug.cgi?id=9573
> > There's a null pointer dereference on drivers/usb/serial/whiteheat.c as
> > follows:
> >
> > (1) line 613: the test "if (port->tty)" implies that null is a legal value
> > for "port->tty" at that point
> >
> > (2) neither firm_open nor firm_purge initialize "port->tty"
drivers/usb/serial/usb-serial::serial_open() sets port->tty
The check for NULL is bogus. This patch removes the check.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'Documentation/pm.txt')
0 files changed, 0 insertions, 0 deletions