diff mbox series

[v1,2/4] spidev: Convert BUILD_BUG_ON() to static_assert()

Message ID 20220323140215.2568-2-andriy.shevchenko@linux.intel.com
State Accepted
Commit d21b94bf3ac44aa7759c0de6f72c0a887eb9e23b
Headers show
Series [v1,1/4] spidev: Do not use atomic bit operations when allocating minor | expand

Commit Message

Andy Shevchenko March 23, 2022, 2:02 p.m. UTC 
static_assert() is a preferred method to fail build when the certain
constraints are not met. Convert BUILD_BUG_ON() to static_assert().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/spi/spidev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index daeaa4a30290..125da8d0e719 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -46,6 +46,7 @@ 
 
 static DECLARE_BITMAP(minors, N_SPI_MINORS);
 
+static_assert(N_SPI_MINORS > 0 && N_SPI_MINORS <= 256);
 
 /* Bit masks for spi_device.mode management.  Note that incorrect
  * settings for some settings can cause *lots* of trouble for other
@@ -856,7 +857,6 @@  static int __init spidev_init(void)
 	 * that will key udev/mdev to add/remove /dev nodes.  Last, register
 	 * the driver which manages those device numbers.
 	 */
-	BUILD_BUG_ON(N_SPI_MINORS > 256);
 	status = register_chrdev(SPIDEV_MAJOR, "spi", &spidev_fops);
 	if (status < 0)
 		return status;