From: Thorsten Blum <thorsten.blum@linux.dev>
To: Olivia Mackall <olivia@selenic.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Lianjie Wang <karin0.zst@gmail.com>,
David Laight <david.laight.linux@gmail.com>,
Jonathan McDowell <noodles@meta.com>
Cc: Thorsten Blum <thorsten.blum@linux.dev>,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 3/4] hwrng: core - use MAX to simplify RNG_BUFFER_SIZE
Date: Tue, 5 May 2026 11:45:57 +0200 [thread overview]
Message-ID: <20260505094555.158017-8-thorsten.blum@linux.dev> (raw)
In-Reply-To: <20260505094555.158017-6-thorsten.blum@linux.dev>
Replace the open-coded variant with MAX().
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
Drop the explicit include as suggested by Herbert.
---
drivers/char/hw_random/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 870e77c9ec20..26c46cd90a83 100644
--- 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 */
next prev parent reply other threads:[~2026-05-05 9:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-05 9:45 [PATCH v2 1/4] hwrng: core - drop unnecessary forward declarations Thorsten Blum
2026-05-05 9:45 ` [PATCH v2 2/4] hwrng: core - use bool for wait parameter in rng_get_data Thorsten Blum
2026-05-05 9:45 ` Thorsten Blum [this message]
2026-05-05 9:45 ` [PATCH v2 4/4] hwrng: core - use sysfs_emit_at in rng_available_show Thorsten Blum
2026-05-15 10:18 ` [PATCH v2 1/4] hwrng: core - drop unnecessary forward declarations Herbert Xu
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