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[1/1] ALSA: core: Fix regression for ELD/codec information files

Message ID 1431506193-28265-1-git-send-email-han.lu@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

han.lu@intel.com May 13, 2015, 8:36 a.m. UTC
From: "Lu, Han" <han.lu@intel.com>

The commit c560a6797e3b ("ALSA: core: Remove child proc file elements
recursively") introduced a regression that ELD/codec information files
can not be found on /proc/asound/cardX/. This patch corrects it.

Signed-off-by: Lu, Han <han.lu@intel.com>

Comments

Takashi Iwai May 18, 2015, 7:54 a.m. UTC | #1
At Wed, 13 May 2015 16:36:33 +0800,
han.lu@intel.com wrote:
> 
> From: "Lu, Han" <han.lu@intel.com>
> 
> The commit c560a6797e3b ("ALSA: core: Remove child proc file elements
> recursively") introduced a regression that ELD/codec information files
> can not be found on /proc/asound/cardX/. This patch corrects it.
> 
> Signed-off-by: Lu, Han <han.lu@intel.com>

This doesn't fix correctly since snd_card_proc_new() isn't the place
to create the real proc file entry.  It should be created at the
device registration time.

I'm going to post the fix patch series.


thanks,

Takashi

> 
> diff --git a/include/sound/info.h b/include/sound/info.h
> index 1626995..ae8d30a 100644
> --- a/include/sound/info.h
> +++ b/include/sound/info.h
> @@ -149,6 +149,10 @@ static inline int snd_card_proc_new(struct snd_card *card, const char *name,
>  				    struct snd_info_entry **entryp)
>  {
>  	*entryp = snd_info_create_card_entry(card, name, card->proc_root);
> +	if (snd_info_register(*entryp) < 0) {
> +		snd_info_free_entry(*entryp);
> +		*entryp = NULL;
> +	}
>  	return *entryp ? 0 : -ENOMEM;
>  }
>  
> -- 
> 1.9.1
>
diff mbox

Patch

diff --git a/include/sound/info.h b/include/sound/info.h
index 1626995..ae8d30a 100644
--- a/include/sound/info.h
+++ b/include/sound/info.h
@@ -149,6 +149,10 @@  static inline int snd_card_proc_new(struct snd_card *card, const char *name,
 				    struct snd_info_entry **entryp)
 {
 	*entryp = snd_info_create_card_entry(card, name, card->proc_root);
+	if (snd_info_register(*entryp) < 0) {
+		snd_info_free_entry(*entryp);
+		*entryp = NULL;
+	}
 	return *entryp ? 0 : -ENOMEM;
 }