USB: opticon: 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: 0d930e51cf
("USB: opticon: Add Opticon OPN2001 write support")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
parent
1912528376
commit
e681286de2
|
@ -215,7 +215,7 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
|
|||
|
||||
/* The connected devices do not have a bulk write endpoint,
|
||||
* to transmit data to de barcode device the control endpoint is used */
|
||||
dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_NOIO);
|
||||
dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
|
||||
if (!dr) {
|
||||
count = -ENOMEM;
|
||||
goto error_no_dr;
|
||||
|
|
Loading…
Reference in a new issue