Constifying "struct snd_soc_tplg_ops" moves some data to a read-only
section, so increase overall security.
On a x86_64, with allmodconfig:
Before:
text data bss dec hex filename
44519 2888 48 47455 b95f sound/soc/sof/topology.o
After:
text data bss dec hex filename
44839 2552 48 47439 b94f sound/soc/sof/topology.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
Compile tested-only.
---
sound/soc/sof/topology.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index da182314aa87..b54382131991 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -2278,7 +2278,7 @@ static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
{SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_bytes_ext_volatile_get},
};
-static struct snd_soc_tplg_ops sof_tplg_ops = {
+static const struct snd_soc_tplg_ops sof_tplg_ops = {
/* external kcontrol init - used for any driver specific init */
.control_load = sof_control_load,
.control_unload = sof_control_unload,
@@ -2433,7 +2433,7 @@ static int sof_dspless_link_load(struct snd_soc_component *scomp, int index,
return 0;
}
-static struct snd_soc_tplg_ops sof_dspless_tplg_ops = {
+static const struct snd_soc_tplg_ops sof_dspless_tplg_ops = {
/* external widget init - used for any driver specific init */
.widget_ready = sof_dspless_widget_ready,
.widget_unload = sof_dspless_widget_unload,
--
2.45.0
