linux-kernel - [PATCH 3/5] hwrng: virtio

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Message-Id: <20200701200950.30314-4-rikard.falkeborn@gmail.com>
Date:   Wed,  1 Jul 2020 22:09:48 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>
Cc:     Rikard Falkeborn <rikard.falkeborn@...il.com>,
        Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/5] hwrng: virtio - Constify id_table[]

id_table[] is not modified and an be made const to allow the compiler to
put it in read-only memory.

Before:
   text    data     bss     dec     hex filename
   1746     192       8    1946     79a drivers/char/hw_random/virtio-rng.o

After:
   text    data     bss     dec     hex filename
   1762     176       8    1946     79a drivers/char/hw_random/virtio-rng.o

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/char/hw_random/virtio-rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index 79a6e47b5fbc..a90001e02bf7 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -195,7 +195,7 @@ static int virtrng_restore(struct virtio_device *vdev)
 }
 #endif
 
-static struct virtio_device_id id_table[] = {
+static const struct virtio_device_id id_table[] = {
 	{ VIRTIO_ID_RNG, VIRTIO_DEV_ANY_ID },
 	{ 0 },
 };
-- 
2.27.0