diff options
| author | Ming Lei <tom.leiming@gmail.com> | 2013-03-26 10:49:55 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-26 09:28:29 -0700 |
| commit | eba0e3c3a0ba7b96f01cbe997680f6a4401a0bfc (patch) | |
| tree | bf66256c3bf09f98ddc8e0c5f935f65035993f98 /drivers/pcmcia/cirrus.h | |
| parent | 85ecd0322b9a1a9f451d9150e9460ab42fd17219 (diff) | |
USB: serial: fix hang when opening port
Johan's 'fix use-after-free in TIOCMIWAIT' patchset[1] introduces
one bug which can cause kernel hang when opening port.
This patch initialized the 'port->delta_msr_wait' waitqueue head
to fix the bug which is introduced in 3.9-rc4.
[1], http://marc.info/?l=linux-usb&m=136368139627876&w=2
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pcmcia/cirrus.h')
0 files changed, 0 insertions, 0 deletions