[alsa-devel] [PATCH 18/31] ALSA: es1938: Constify hw_constraints

Takashi Iwai tiwai at suse.de
Thu Jun 8 23:08:39 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/pci/es1938.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c
index a544cd52f73a..069902a06f00 100644
--- a/sound/pci/es1938.c
+++ b/sound/pci/es1938.c
@@ -436,7 +436,7 @@ static void snd_es1938_reset_fifo(struct es1938 *chip)
 	outb(0, SLSB_REG(chip, RESET));
 }
 
-static struct snd_ratnum clocks[2] = {
+static const struct snd_ratnum clocks[2] = {
 	{
 		.num = 793800,
 		.den_min = 1,
@@ -451,7 +451,7 @@ static struct snd_ratnum clocks[2] = {
 	}
 };
 
-static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
+static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
 	.nrats = 2,
 	.rats = clocks,
 };
-- 
2.13.0



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