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.falkeb...@gmail.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

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