USB: serial: mos7720: fix non-atomic allocation in write path
There is an allocation with GFP_KERNEL flag in mos7720_write(),
while it may be called from interrupt context.
Follow-up for commit 1912528376
("USB: kobil_sct: fix non-atomic
allocation in write path")
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
parent
647024a7df
commit
5a5a1d6142
|
@ -1252,7 +1252,7 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port,
|
|||
|
||||
if (urb->transfer_buffer == NULL) {
|
||||
urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE,
|
||||
GFP_KERNEL);
|
||||
GFP_ATOMIC);
|
||||
if (!urb->transfer_buffer)
|
||||
goto exit;
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue