Updated a technicality in softPwm, and added a suggested memset to zero

[wiringPi.git] / wiringPi / wiringPiSPI.c

diff --git a/wiringPi/wiringPiSPI.c b/wiringPi/wiringPiSPI.c
index 215a0277440813110c7dcf1c9f8e38efd015b452..002ee0185267992776dbc3275263e807ad90f554 100644 (file)
--- a/wiringPi/wiringPiSPI.c
+++ b/wiringPi/wiringPiSPI.c
@@ -75,6 +75,11 @@ int wiringPiSPIDataRW (int channel, unsigned char *data, int len)
 
   channel &= 1 ;
 
+// Mentioned in spidev.h but not used in the original kernel documentation
+//     test program )-:
+
+  memset (&spi, 0, sizeof (spi)) ;
+
   spi.tx_buf        = (unsigned long)data ;
   spi.rx_buf        = (unsigned long)data ;
   spi.len           = len ;