memstick: r592: remove unused variable

Fix the following clang warning:

drivers/memstick/host/r592.c:363:6: warning: variable ‘len’ set but not
used [-Wunused-but-set-variable].

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/1618366903-94346-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Jiapeng Chong 2021-04-14 10:21:43 +08:00 committed by Ulf Hansson
parent 50eae6bada
commit 4b00ed3c50

View file

@ -360,12 +360,11 @@ static void r592_write_fifo_pio(struct r592_device *dev,
static void r592_flush_fifo_write(struct r592_device *dev)
{
u8 buffer[4] = { 0 };
int len;
if (kfifo_is_empty(&dev->pio_fifo))
return;
len = kfifo_out(&dev->pio_fifo, buffer, 4);
kfifo_out(&dev->pio_fifo, buffer, 4);
r592_write_reg_raw_be(dev, R592_FIFO_PIO, *(u32 *)buffer);
}