staging: pi433: add space around operators

Fixes checkpatch error for missing spaces.

Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index 155d486f6cb34f1f17bd3a2cc6ec24a5e151fc53..ab848c1d55a66fa6d50da78d3b3f3010681dac4d 100644 (file)
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -638,14 +638,14 @@ pi433_tx_thread(void *data)
 
                /* add length byte, if requested */
                if (tx_cfg.enable_length_byte  == OPTION_ON)
-                       buffer[position++] = size-1; /* according to spec length byte itself must be excluded from the length calculation */
+                       buffer[position++] = size - 1; /* according to spec length byte itself must be excluded from the length calculation */
 
                /* add adr byte, if requested */
                if (tx_cfg.enable_address_byte == OPTION_ON)
                        buffer[position++] = tx_cfg.address_byte;
 
                /* finally get message data from fifo */
-               retval = kfifo_out(&device->tx_fifo, &buffer[position], sizeof(buffer)-position );
+               retval = kfifo_out(&device->tx_fifo, &buffer[position], sizeof(buffer) - position);
                dev_dbg(device->dev, "read %d message byte(s) from fifo queue.", retval);
                mutex_unlock(&device->tx_fifo_lock);
 
@@ -734,7 +734,7 @@ pi433_tx_thread(void *data)
                                rf69_write_fifo(spi,
                                                &buffer[position],
                                                temp);
-                               position +=temp;
+                               position += temp;
                        }
                        else
                        {       /* msg fits into fifo - take all */
@@ -1030,8 +1030,7 @@ static int setup_GPIOs(struct pi433_device *device)
                DIO1_irq_handler
        };
 
-       for (i=0; i<NUM_DIO; i++)
-       {
+       for (i = 0; i < NUM_DIO; i++) {
                /* "construct" name and get the gpio descriptor */
                snprintf(name, sizeof(name), "DIO%d", i);
                device->gpiod[i] = gpiod_get(&device->spi->dev, name, 0 /*GPIOD_IN*/);