diff options
| author | Johan Hovold <johan@kernel.org> | 2014-10-29 09:07:30 +0100 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2014-11-23 10:55:46 +0100 |
| commit | faa4cc13e7acb2d1f313290b556d5b7401cc65c8 (patch) | |
| tree | 7041a1b3690fadf324a6577b42cb899b61efc645 /drivers | |
| parent | 2143af36b32c5e1abe77dfafb6e0747460ab75e2 (diff) | |
USB: kobil_sct: fix non-atomic allocation in write path
Write may be called from interrupt context so make sure to use
GFP_ATOMIC for all allocations in write.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
(cherry picked from commit 191252837626fca0de694c18bb2aa64c118eda89)
Signed-off-by: Willy Tarreau <w@1wt.eu>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/serial/kobil_sct.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index 929ceb11179c..935f6e31787c 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -464,7 +464,7 @@ static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, ); priv->cur_pos = priv->cur_pos + length; - result = usb_submit_urb(port->write_urb, GFP_NOIO); + result = usb_submit_urb(port->write_urb, GFP_ATOMIC); dbg("%s - port %d Send write URB returns: %i", __func__, port->number, result); todo = priv->filled - priv->cur_pos; @@ -488,7 +488,7 @@ static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, port->interrupt_in_urb->dev = port->serial->dev; result = usb_submit_urb(port->interrupt_in_urb, - GFP_NOIO); + GFP_ATOMIC); dbg("%s - port %d Send read URB returns: %i", __func__, port->number, result); } |