saner FASYNC handling on file close

[linux-2.6-omap-h63xx.git] / sound / core / control.c

diff --git a/sound/core/control.c b/sound/core/control.c
index 6d71f9a7ccbb9a063324d1bc381edc2e113f4e84..636b3b52ef8bdd56cc2f7eaccf6a779ca8c9c841 100644 (file)
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -113,7 +113,6 @@ static int snd_ctl_release(struct inode *inode, struct file *file)
        unsigned int idx;
 
        ctl = file->private_data;
-       fasync_helper(-1, file, 0, &ctl->fasync);
        file->private_data = NULL;
        card = ctl->card;
        write_lock_irqsave(&card->ctl_files_rwlock, flags);
@@ -225,8 +224,13 @@ struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new *ncontrol,
        kctl.id.iface = ncontrol->iface;
        kctl.id.device = ncontrol->device;
        kctl.id.subdevice = ncontrol->subdevice;
-       if (ncontrol->name)
+       if (ncontrol->name) {
                strlcpy(kctl.id.name, ncontrol->name, sizeof(kctl.id.name));
+               if (strcmp(ncontrol->name, kctl.id.name) != 0)
+                       snd_printk(KERN_WARNING
+                                  "Control name '%s' truncated to '%s'\n",
+                                  ncontrol->name, kctl.id.name);
+       }
        kctl.id.index = ncontrol->index;
        kctl.count = ncontrol->count ? ncontrol->count : 1;
        access = ncontrol->access == 0 ? SNDRV_CTL_ELEM_ACCESS_READWRITE :