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authorRikard Falkeborn <rikard.falkeborn@gmail.com>2020-07-01 22:09:50 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-10 14:50:51 +0200
commit8b66c917c41b966cd230d30c0268795e3f9eb5e4 (patch)
tree185dfd2242b8ca3a07e24a3ec7a81f325ce9ca70 /drivers/char
parent729082ed9b9cc242f5030de8f956b4be41150ea7 (diff)
virtio_console: Constify some static variables
The id_table and feature_table pointers in struct virtio_driver are pointers to const. Mark the corresponding static variables const to allow the compiler to put them in read-only memory. Before: text data bss dec hex filename 25447 713 76 26236 667c drivers/char/virtio_console.o After: text data bss dec hex filename 25488 673 76 26237 667d drivers/char/virtio_console.o Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Amit Shah <amit@kernel.org> Link: https://lore.kernel.org/r/20200701200950.30314-6-rikard.falkeborn@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/virtio_console.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 00c5e3acee46..896f0ba9ba3c 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -2112,24 +2112,24 @@ fail:
return err;
}
-static struct virtio_device_id id_table[] = {
+static const struct virtio_device_id id_table[] = {
{ VIRTIO_ID_CONSOLE, VIRTIO_DEV_ANY_ID },
{ 0 },
};
-static unsigned int features[] = {
+static const unsigned int features[] = {
VIRTIO_CONSOLE_F_SIZE,
VIRTIO_CONSOLE_F_MULTIPORT,
};
-static struct virtio_device_id rproc_serial_id_table[] = {
+static const struct virtio_device_id rproc_serial_id_table[] = {
#if IS_ENABLED(CONFIG_REMOTEPROC)
{ VIRTIO_ID_RPROC_SERIAL, VIRTIO_DEV_ANY_ID },
#endif
{ 0 },
};
-static unsigned int rproc_serial_features[] = {
+static const unsigned int rproc_serial_features[] = {
};
#ifdef CONFIG_PM_SLEEP