[alsa-devel] [PATCH 05/31] ALSA: sb: Constify hw_constraints

Takashi Iwai tiwai at suse.de
Thu Jun 8 23:08:26 CEST 2017


snd_pcm_hw_constraint_list(), *_ratnums() and *_ratdens() receive the
const pointers.  Constify the corresponding static objects for better
hardening.

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/isa/sb/sb8_main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/isa/sb/sb8_main.c b/sound/isa/sb/sb8_main.c
index 9043397fe62f..0f302be4fb6d 100644
--- a/sound/isa/sb/sb8_main.c
+++ b/sound/isa/sb/sb8_main.c
@@ -46,19 +46,19 @@ MODULE_LICENSE("GPL");
 #define SB8_DEN(v)	((SB8_CLOCK + (v) / 2) / (v))
 #define SB8_RATE(v)	(SB8_CLOCK / SB8_DEN(v))
 
-static struct snd_ratnum clock = {
+static const struct snd_ratnum clock = {
 	.num = SB8_CLOCK,
 	.den_min = 1,
 	.den_max = 256,
 	.den_step = 1,
 };
 
-static struct snd_pcm_hw_constraint_ratnums hw_constraints_clock = {
+static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clock = {
 	.nrats = 1,
 	.rats = &clock,
 };
 
-static struct snd_ratnum stereo_clocks[] = {
+static const struct snd_ratnum stereo_clocks[] = {
 	{
 		.num = SB8_CLOCK,
 		.den_min = SB8_DEN(22050),
-- 
2.13.0



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