Commit e681286d authored by Johan Hovold's avatar Johan Hovold

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: 0d930e51 ("USB: opticon: Add Opticon OPN2001 write support")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent 19125283
...@@ -215,7 +215,7 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port, ...@@ -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, /* The connected devices do not have a bulk write endpoint,
* to transmit data to de barcode device the control endpoint is used */ * 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) { if (!dr) {
count = -ENOMEM; count = -ENOMEM;
goto error_no_dr; goto error_no_dr;
......
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