tty: Cleanup tty buffer align mask

Don't use decimal for mask. Don't use literal for aligning.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20221019105504.16800-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 5e287de..3f05780 100644 (file)
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -21,7 +21,7 @@
 #include "tty.h"
 
 #define MIN_TTYB_SIZE  256
-#define TTYB_ALIGN_MASK        255
+#define TTYB_ALIGN_MASK        0xff
 
 /*
  * Byte threshold to limit memory consumption for flip buffers.
@@ -37,7 +37,7 @@
  * logic this must match.
  */
 
-#define TTY_BUFFER_PAGE        (((PAGE_SIZE - sizeof(struct tty_buffer)) / 2) & ~0xFF)
+#define TTY_BUFFER_PAGE        (((PAGE_SIZE - sizeof(struct tty_buffer)) / 2) & ~TTYB_ALIGN_MASK)
 
 /**
  * tty_buffer_lock_exclusive   -       gain exclusive access to buffer