4 files changed, 8 insertions, 8 deletions
diff --git a/nuttx/drivers/mtd/at45db.c b/nuttx/drivers/mtd/at45db.c
index 037cc5e76..f4a695de0 100644
--- a/nuttx/drivers/mtd/at45db.c
+++ b/nuttx/drivers/mtd/at45db.c
@@ -276,7 +276,7 @@ static void at45db_lock(struct at45db_dev_s *priv)
    * the SPI buss.  We will retain that exclusive access until the bus is unlocked.
    */
 
-  SPI_LOCK(priv->spi, true);
+  (void)SPI_LOCK(priv->spi, true);
 
   /* After locking the SPI bus, the we also need call the setfrequency, setbits, and
    * setmode methods to make sure that the SPI is properly configured for the device.
@@ -295,7 +295,7 @@ static void at45db_lock(struct at45db_dev_s *priv)
 
 static inline void at45db_unlock(struct at45db_dev_s *priv)
 {
-  SPI_LOCK(priv->spi, false);
+  (void)SPI_LOCK(priv->spi, false);
 }
 
 /************************************************************************************
diff --git a/nuttx/drivers/mtd/m25px.c b/nuttx/drivers/mtd/m25px.c
index 8ff1c717d..4f96c5a3b 100644
--- a/nuttx/drivers/mtd/m25px.c
+++ b/nuttx/drivers/mtd/m25px.c
@@ -232,7 +232,7 @@ static void m25p_lock(FAR struct spi_dev_s *dev)
    * the SPI buss.  We will retain that exclusive access until the bus is unlocked.
    */
 
-  SPI_LOCK(dev, true);
+  (void)SPI_LOCK(dev, true);
 
   /* After locking the SPI bus, the we also need call the setfrequency, setbits, and
    * setmode methods to make sure that the SPI is properly configured for the device.
@@ -251,7 +251,7 @@ static void m25p_lock(FAR struct spi_dev_s *dev)
 
 static inline void m25p_unlock(FAR struct spi_dev_s *dev)
 {
-  SPI_LOCK(dev, false);
+  (void)SPI_LOCK(dev, false);
 }
 
 /************************************************************************************
diff --git a/nuttx/drivers/mtd/ramtron.c b/nuttx/drivers/mtd/ramtron.c
index 5615823d6..074545e2d 100644
--- a/nuttx/drivers/mtd/ramtron.c
+++ b/nuttx/drivers/mtd/ramtron.c
@@ -275,7 +275,7 @@ static void ramtron_lock(FAR struct spi_dev_s *dev)
    * the SPI buss.  We will retain that exclusive access until the bus is unlocked.
    */
 
-  SPI_LOCK(dev, true);
+  (void)SPI_LOCK(dev, true);
 
   /* After locking the SPI bus, the we also need call the setfrequency, setbits, and
    * setmode methods to make sure that the SPI is properly configured for the device.
@@ -295,7 +295,7 @@ static void ramtron_lock(FAR struct spi_dev_s *dev)
 
 static inline void ramtron_unlock(FAR struct spi_dev_s *dev)
 {
-  SPI_LOCK(dev, false);
+  (void)SPI_LOCK(dev, false);
 }
 
 /************************************************************************************
diff --git a/nuttx/drivers/mtd/sst25.c b/nuttx/drivers/mtd/sst25.c
index 717a9c898..01838f078 100644
--- a/nuttx/drivers/mtd/sst25.c
+++ b/nuttx/drivers/mtd/sst25.c
@@ -273,7 +273,7 @@ static void sst25_lock(FAR struct spi_dev_s *dev)
    * the SPI buss.  We will retain that exclusive access until the bus is unlocked.
    */
 
-  SPI_LOCK(dev, true);
+  (void)SPI_LOCK(dev, true);
 
   /* After locking the SPI bus, the we also need call the setfrequency, setbits, and
    * setmode methods to make sure that the SPI is properly configured for the device.
@@ -292,7 +292,7 @@ static void sst25_lock(FAR struct spi_dev_s *dev)
 
 static inline void sst25_unlock(FAR struct spi_dev_s *dev)
 {
-  SPI_LOCK(dev, false);
+  (void)SPI_LOCK(dev, false);
 }
 
 /************************************************************************************