hwrng: core - use MAX to simplify RNG_BUFFER_SIZE

Replace the open-coded variant with MAX().

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 870e77c9ec2071988fb955e25dee880c84a1bac7..26c46cd90a83c67a36c9b53507a166bc0508a3d0 100644 (file)
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -30,7 +30,7 @@
 
 #define RNG_MODULE_NAME                "hw_random"
 
-#define RNG_BUFFER_SIZE (SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES)
+#define RNG_BUFFER_SIZE                MAX(32, SMP_CACHE_BYTES)
 
 static struct hwrng __rcu *current_rng;
 /* the current rng has been explicitly chosen by user via sysfs */