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>

diff --git a/drivers/memstick/host/r592.c b/drivers/memstick/host/r592.c
index d2ef46337191cafc085520778a1c94e8f2fe3bb6..026fadaa1d5deb8923f3e29712a7f7fcc6e06705 100644 (file)
--- a/drivers/memstick/host/r592.c
+++ b/drivers/memstick/host/r592.c
@@ -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);
 }