Merge branch 'misc' into for-linus

[firefly-linux-kernel-4.4.55.git] / sound / soc / soc-core.c

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 83ad8ca274903cff750166606c613db1c5f79df0..ef69f5a0270991e7990055b109282cd6e66afa08 100644 (file)
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -30,6 +30,7 @@
 #include <linux/bitops.h>
 #include <linux/debugfs.h>
 #include <linux/platform_device.h>
+#include <linux/ctype.h>
 #include <linux/slab.h>
 #include <sound/ac97_codec.h>
 #include <sound/core.h>
@@ -1434,9 +1435,20 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card)
                 "%s", card->name);
        snprintf(card->snd_card->longname, sizeof(card->snd_card->longname),
                 "%s", card->long_name ? card->long_name : card->name);
-       if (card->driver_name)
-               strlcpy(card->snd_card->driver, card->driver_name,
-                       sizeof(card->snd_card->driver));
+       snprintf(card->snd_card->driver, sizeof(card->snd_card->driver),
+                "%s", card->driver_name ? card->driver_name : card->name);
+       for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) {
+               switch (card->snd_card->driver[i]) {
+               case '_':
+               case '-':
+               case '\0':
+                       break;
+               default:
+                       if (!isalnum(card->snd_card->driver[i]))
+                               card->snd_card->driver[i] = '_';
+                       break;
+               }
+       }
 
        if (card->late_probe) {
                ret = card->late_probe(card);
@@ -1633,7 +1645,7 @@ int snd_soc_codec_readable_register(struct snd_soc_codec *codec,
        if (codec->readable_register)
                return codec->readable_register(codec, reg);
        else
-               return 0;
+               return 1;
 }
 EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register);
 
@@ -1651,7 +1663,7 @@ int snd_soc_codec_writable_register(struct snd_soc_codec *codec,
        if (codec->writable_register)
                return codec->writable_register(codec, reg);
        else
-               return 0;
+               return 1;
 }
 EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register);
 
@@ -1913,7 +1925,7 @@ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
 
        if (prefix) {
                name_len = strlen(long_name) + strlen(prefix) + 2;
-               name = kmalloc(name_len, GFP_ATOMIC);
+               name = kmalloc(name_len, GFP_KERNEL);
                if (!name)
                        return NULL;