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* [PATCH 7/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_queue()
       [not found] ` <20200311010908.42366-1-jbi.octave@gmail.com>
@ 2020-03-11  1:09   ` Jules Irenge
  2020-03-11  3:19     ` Takashi Sakamoto
  2020-03-11  6:56     ` Takashi Iwai
  2020-03-11  1:09   ` [PATCH 8/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_locked() Jules Irenge
  1 sibling, 2 replies; 6+ messages in thread
From: Jules Irenge @ 2020-03-11  1:09 UTC (permalink / raw)
  To: boqun.feng
  Cc: moderated list:FIREWIRE AUDIO DRIVERS and IEC 61883-1/6 PACKET...,
	netdev, Takashi Iwai, Clemens Ladisch, linux-kernel,
	Alexios Zavras, Greg Kroah-Hartman, bpf, Thomas Gleixner,
	Allison Randal

Sparse reports a warning at tscm_hwdep_read_queue()

warning: context imbalance in tscm_hwdep_read_queue() - unexpected unlock

The root cause is the missing annotation at tscm_hwdep_read_queue()
Add the missing __releases(&tscm->lock) annotation

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
 sound/firewire/tascam/tascam-hwdep.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/firewire/tascam/tascam-hwdep.c b/sound/firewire/tascam/tascam-hwdep.c
index c29a97f6f638..9801e33e7f2a 100644
--- a/sound/firewire/tascam/tascam-hwdep.c
+++ b/sound/firewire/tascam/tascam-hwdep.c
@@ -36,6 +36,7 @@ static long tscm_hwdep_read_locked(struct snd_tscm *tscm, char __user *buf,
 
 static long tscm_hwdep_read_queue(struct snd_tscm *tscm, char __user *buf,
 				  long remained, loff_t *offset)
+	__releases(&tscm->lock)
 {
 	char __user *pos = buf;
 	unsigned int type = SNDRV_FIREWIRE_EVENT_TASCAM_CONTROL;
-- 
2.24.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH 8/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_locked()
       [not found] ` <20200311010908.42366-1-jbi.octave@gmail.com>
  2020-03-11  1:09   ` [PATCH 7/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_queue() Jules Irenge
@ 2020-03-11  1:09   ` Jules Irenge
  2020-03-11  3:18     ` Takashi Sakamoto
  2020-03-11  6:56     ` Takashi Iwai
  1 sibling, 2 replies; 6+ messages in thread
From: Jules Irenge @ 2020-03-11  1:09 UTC (permalink / raw)
  To: boqun.feng
  Cc: moderated list:FIREWIRE AUDIO DRIVERS and IEC 61883-1/6 PACKET...,
	netdev, Takashi Iwai, Clemens Ladisch, linux-kernel,
	Alexios Zavras, Greg Kroah-Hartman, bpf, Thomas Gleixner,
	Allison Randal

Sparse reports a warning at tscm_hwdep_read_locked()

warning: context imbalance in tscm_hwdep_read_locked() - unexpected unlock

The root cause is the missing annotation at tscm_hwdep_read_locked()
Add the missing __releases(&tscm->lock) annotation

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
 sound/firewire/tascam/tascam-hwdep.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/firewire/tascam/tascam-hwdep.c b/sound/firewire/tascam/tascam-hwdep.c
index 9801e33e7f2a..6f38335fe10b 100644
--- a/sound/firewire/tascam/tascam-hwdep.c
+++ b/sound/firewire/tascam/tascam-hwdep.c
@@ -17,6 +17,7 @@
 
 static long tscm_hwdep_read_locked(struct snd_tscm *tscm, char __user *buf,
 				   long count, loff_t *offset)
+	__releases(&tscm->lock)
 {
 	struct snd_firewire_event_lock_status event = {
 		.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS,
-- 
2.24.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH 8/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_locked()
  2020-03-11  1:09   ` [PATCH 8/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_locked() Jules Irenge
@ 2020-03-11  3:18     ` Takashi Sakamoto
  2020-03-11  6:56     ` Takashi Iwai
  1 sibling, 0 replies; 6+ messages in thread
From: Takashi Sakamoto @ 2020-03-11  3:18 UTC (permalink / raw)
  To: Jules Irenge
  Cc: moderated list:FIREWIRE AUDIO DRIVERS and IEC 61883-1/6 PACKET...,
	netdev, boqun.feng, Takashi Iwai, Clemens Ladisch, linux-kernel,
	Alexios Zavras, Greg Kroah-Hartman, bpf, Thomas Gleixner,
	Allison Randal

Hi,

On Wed, Mar 11, 2020 at 01:09:08AM +0000, Jules Irenge wrote:
> Sparse reports a warning at tscm_hwdep_read_locked()
> 
> warning: context imbalance in tscm_hwdep_read_locked() - unexpected unlock
> 
> The root cause is the missing annotation at tscm_hwdep_read_locked()
> Add the missing __releases(&tscm->lock) annotation
> 
> Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
> ---
>  sound/firewire/tascam/tascam-hwdep.c | 1 +
>  1 file changed, 1 insertion(+)

Thanks for your care of the warning. Although I have found it, I had
no idea to suppress it.

Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>

> diff --git a/sound/firewire/tascam/tascam-hwdep.c b/sound/firewire/tascam/tascam-hwdep.c
> index 9801e33e7f2a..6f38335fe10b 100644
> --- a/sound/firewire/tascam/tascam-hwdep.c
> +++ b/sound/firewire/tascam/tascam-hwdep.c
> @@ -17,6 +17,7 @@
>  
>  static long tscm_hwdep_read_locked(struct snd_tscm *tscm, char __user *buf,
>  				   long count, loff_t *offset)
> +	__releases(&tscm->lock)
>  {
>  	struct snd_firewire_event_lock_status event = {
>  		.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS,
> -- 
> 2.24.1
> 

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH 7/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_queue()
  2020-03-11  1:09   ` [PATCH 7/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_queue() Jules Irenge
@ 2020-03-11  3:19     ` Takashi Sakamoto
  2020-03-11  6:56     ` Takashi Iwai
  1 sibling, 0 replies; 6+ messages in thread
From: Takashi Sakamoto @ 2020-03-11  3:19 UTC (permalink / raw)
  To: Jules Irenge
  Cc: moderated list:FIREWIRE AUDIO DRIVERS and IEC 61883-1/6 PACKET...,
	netdev, boqun.feng, Takashi Iwai, Clemens Ladisch, linux-kernel,
	Alexios Zavras, Greg Kroah-Hartman, bpf, Thomas Gleixner,
	Allison Randal

On Wed, Mar 11, 2020 at 01:09:07AM +0000, Jules Irenge wrote:
> Sparse reports a warning at tscm_hwdep_read_queue()
> 
> warning: context imbalance in tscm_hwdep_read_queue() - unexpected unlock
> 
> The root cause is the missing annotation at tscm_hwdep_read_queue()
> Add the missing __releases(&tscm->lock) annotation
> 
> Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
> ---
>  sound/firewire/tascam/tascam-hwdep.c | 1 +
>  1 file changed, 1 insertion(+)
 
This looks good.

Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>

> diff --git a/sound/firewire/tascam/tascam-hwdep.c b/sound/firewire/tascam/tascam-hwdep.c
> index c29a97f6f638..9801e33e7f2a 100644
> --- a/sound/firewire/tascam/tascam-hwdep.c
> +++ b/sound/firewire/tascam/tascam-hwdep.c
> @@ -36,6 +36,7 @@ static long tscm_hwdep_read_locked(struct snd_tscm *tscm, char __user *buf,
>  
>  static long tscm_hwdep_read_queue(struct snd_tscm *tscm, char __user *buf,
>  				  long remained, loff_t *offset)
> +	__releases(&tscm->lock)
>  {
>  	char __user *pos = buf;
>  	unsigned int type = SNDRV_FIREWIRE_EVENT_TASCAM_CONTROL;
> -- 
> 2.24.1


Regards

Takashi Sakamoto

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH 8/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_locked()
  2020-03-11  1:09   ` [PATCH 8/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_locked() Jules Irenge
  2020-03-11  3:18     ` Takashi Sakamoto
@ 2020-03-11  6:56     ` Takashi Iwai
  1 sibling, 0 replies; 6+ messages in thread
From: Takashi Iwai @ 2020-03-11  6:56 UTC (permalink / raw)
  To: Jules Irenge
  Cc: moderated list:FIREWIRE AUDIO DRIVERS and IEC 61883-1/6 PACKET...,
	netdev, boqun.feng, Takashi Iwai, Clemens Ladisch, linux-kernel,
	Alexios Zavras, Greg Kroah-Hartman, bpf, Thomas Gleixner,
	Allison Randal

On Wed, 11 Mar 2020 02:09:08 +0100,
Jules Irenge wrote:
> 
> Sparse reports a warning at tscm_hwdep_read_locked()
> 
> warning: context imbalance in tscm_hwdep_read_locked() - unexpected unlock
> 
> The root cause is the missing annotation at tscm_hwdep_read_locked()
> Add the missing __releases(&tscm->lock) annotation
> 
> Signed-off-by: Jules Irenge <jbi.octave@gmail.com>

Applied, thanks.


Takashi

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH 7/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_queue()
  2020-03-11  1:09   ` [PATCH 7/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_queue() Jules Irenge
  2020-03-11  3:19     ` Takashi Sakamoto
@ 2020-03-11  6:56     ` Takashi Iwai
  1 sibling, 0 replies; 6+ messages in thread
From: Takashi Iwai @ 2020-03-11  6:56 UTC (permalink / raw)
  To: Jules Irenge
  Cc: moderated list:FIREWIRE AUDIO DRIVERS and IEC 61883-1/6 PACKET...,
	netdev, boqun.feng, Takashi Iwai, Clemens Ladisch, linux-kernel,
	Alexios Zavras, Greg Kroah-Hartman, bpf, Thomas Gleixner,
	Allison Randal

On Wed, 11 Mar 2020 02:09:07 +0100,
Jules Irenge wrote:
> 
> Sparse reports a warning at tscm_hwdep_read_queue()
> 
> warning: context imbalance in tscm_hwdep_read_queue() - unexpected unlock
> 
> The root cause is the missing annotation at tscm_hwdep_read_queue()
> Add the missing __releases(&tscm->lock) annotation
> 
> Signed-off-by: Jules Irenge <jbi.octave@gmail.com>

Applied, thanks.


Takashi

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2020-03-11  6:58 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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     [not found] ` <20200311010908.42366-1-jbi.octave@gmail.com>
2020-03-11  1:09   ` [PATCH 7/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_queue() Jules Irenge
2020-03-11  3:19     ` Takashi Sakamoto
2020-03-11  6:56     ` Takashi Iwai
2020-03-11  1:09   ` [PATCH 8/8] ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_locked() Jules Irenge
2020-03-11  3:18     ` Takashi Sakamoto
2020-03-11  6:56     ` Takashi Iwai

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