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Diffstat (limited to 'sound')
-rw-r--r--sound/soc/rockchip/rk3399_gru_sound.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c
index 30eed83e8a13..d64fbbd50544 100644
--- a/sound/soc/rockchip/rk3399_gru_sound.c
+++ b/sound/soc/rockchip/rk3399_gru_sound.c
@@ -494,13 +494,17 @@ static int rockchip_sound_of_parse_dais(struct device *dev,
struct snd_soc_dai_link *dai;
struct snd_soc_dapm_route *routes;
int i, index;
+ int num_routes;
card->dai_link = devm_kzalloc(dev, sizeof(rockchip_dais),
GFP_KERNEL);
if (!card->dai_link)
return -ENOMEM;
- routes = devm_kzalloc(dev, sizeof(rockchip_routes),
+ num_routes = 0;
+ for (i = 0; i < ARRAY_SIZE(rockchip_routes); i++)
+ num_routes += rockchip_routes[i].num_routes;
+ routes = devm_kzalloc(dev, num_routes * sizeof(*routes),
GFP_KERNEL);
if (!routes)
return -ENOMEM;
@@ -538,6 +542,12 @@ static int rockchip_sound_of_parse_dais(struct device *dev,
dai->platform_of_node = np_cpu;
dai->cpu_of_node = np_cpu;
+ if (card->num_dapm_routes + rockchip_routes[index].num_routes >
+ num_routes) {
+ dev_err(dev, "Too many routes\n");
+ return -EINVAL;
+ }
+
memcpy(routes + card->num_dapm_routes,
rockchip_routes[index].routes,
rockchip_routes[index].num_routes * sizeof(*routes));