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@wanadoo.fr --- 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,