We had intended to do the mask first and then the shift. Shift has
higher precedence so we need to add parenthesis.
Fixes: 874bcba65f9a ("staging: pi433: New driver")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
index e391ce777bc7..5089449bf775 100644
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -387,7 +387,7 @@ enum lnaGain rf69_get_lna_gain(struct spi_device *spi)
currentValue = READ_REG(REG_LNA);
- switch (currentValue & MASK_LNA_CURRENT_GAIN >> 3) // improvement: change 3 to define
+ switch ((currentValue & MASK_LNA_CURRENT_GAIN) >> 3) // improvement: change 3 to define
{
case LNA_GAIN_AUTO: return automatic;
case LNA_GAIN_MAX: return max;
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