diff options
| author |   Alexey Khoroshilov <khoroshilov@ispras.ru> | 2016-08-12 01:05:08 +0300 |
|---|---|---|
| committer |   Johan Hovold <johan@kernel.org> | 2016-08-15 10:37:04 +0200 |
| commit | 5a5a1d614287a647b36dff3f40c2b0ceabbc83ec (patch) | |
| tree | c0233bc2c17ac3734bd9b4e752697796af4ad1ec /drivers/usb/serial/mos7720.c | |
| parent | USB: serial: fix memleak in driver-registration error path (diff) | |
| download | linux-dev-5a5a1d614287a647b36dff3f40c2b0ceabbc83ec.tar.xz linux-dev-5a5a1d614287a647b36dff3f40c2b0ceabbc83ec.zip | |
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 191252837626 ("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>
Diffstat (limited to 'drivers/usb/serial/mos7720.c')
| -rw-r--r-- | drivers/usb/serial/mos7720.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 5608af4a369d..de9992b492b0 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -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; } |