diff options
| -rw-r--r-- | sound/soc/soc-core.c | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index a812487b7b5f..12a82f5a3ff6 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1836,21 +1836,22 @@ match: } } -#define soc_setup_card_name(name, name1, name2, norm) \ - __soc_setup_card_name(name, sizeof(name), name1, name2, norm) -static void __soc_setup_card_name(char *name, int len, - const char *name1, const char *name2, - int normalization) +#define soc_setup_card_name(card, name, name1, name2) \ + __soc_setup_card_name(card, name, sizeof(name), name1, name2) +static void __soc_setup_card_name(struct snd_soc_card *card, + char *name, int len, + const char *name1, const char *name2) { + const char *src = name1 ? name1 : name2; int i; - snprintf(name, len, "%s", name1 ? name1 : name2); + snprintf(name, len, "%s", src); - if (!normalization) + if (name != card->snd_card->driver) return; /* - * Name normalization + * Name normalization (driver field) * * The driver name is somewhat special, as it's used as a key for * searches in the user-space. @@ -1870,6 +1871,14 @@ static void __soc_setup_card_name(char *name, int len, break; } } + + /* + * The driver field should contain a valid string from the user view. + * The wrapping usually does not work so well here. Set a smaller string + * in the specific ASoC driver. + */ + if (strlen(src) > len - 1) + dev_err(card->dev, "ASoC: driver name too long '%s' -> '%s'\n", src, name); } static void soc_cleanup_card_resources(struct snd_soc_card *card) @@ -2037,12 +2046,12 @@ static int snd_soc_bind_card(struct snd_soc_card *card) /* try to set some sane longname if DMI is available */ snd_soc_set_dmi_name(card, NULL); - soc_setup_card_name(card->snd_card->shortname, - card->name, NULL, 0); - soc_setup_card_name(card->snd_card->longname, - card->long_name, card->name, 0); - soc_setup_card_name(card->snd_card->driver, - card->driver_name, card->name, 1); + soc_setup_card_name(card, card->snd_card->shortname, + card->name, NULL); + soc_setup_card_name(card, card->snd_card->longname, + card->long_name, card->name); + soc_setup_card_name(card, card->snd_card->driver, + card->driver_name, card->name); if (card->components) { /* the current implementation of snd_component_add() accepts */ |