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Groups > linux.kernel > #1483946 > unrolled thread

[PATCH -next] staging: rtl8712: fix double lock bug in SetPSModeWorkItemCallback()

Started byWei Yongjun <weiyj.lk@gmail.com>
First post2016-09-15 12:20 +0200
Last post2016-09-16 10:10 +0200
Articles 3 — 2 participants

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  [PATCH -next] staging: rtl8712: fix double lock bug in SetPSModeWorkItemCallback() Wei Yongjun <weiyj.lk@gmail.com> - 2016-09-15 12:20 +0200
    Re: [PATCH -next] staging: rtl8712: fix double lock bug in  SetPSModeWorkItemCallback() Greg KH <gregkh@linuxfoundation.org> - 2016-09-16 10:10 +0200
      Re: [PATCH -next] staging: rtl8712: fix double lock bug in  SetPSModeWorkItemCallback() Greg KH <gregkh@linuxfoundation.org> - 2016-09-16 10:10 +0200

#1483946 — [PATCH -next] staging: rtl8712: fix double lock bug in SetPSModeWorkItemCallback()

FromWei Yongjun <weiyj.lk@gmail.com>
Date2016-09-15 12:20 +0200
Subject[PATCH -next] staging: rtl8712: fix double lock bug in SetPSModeWorkItemCallback()
Message-ID<shBVT-5HB-1@gated-at.bofh.it>
From: Wei Yongjun <weiyongjun1@huawei.com>

Fix a double lock bug in SetPSModeWorkItemCallback().

Fixes: 5c2ba8b85e35 ("rtl8712: pwrctrl_priv: Replace semaphore lock
with mutex")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/staging/rtl8712/rtl871x_pwrctrl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8712/rtl871x_pwrctrl.c b/drivers/staging/rtl8712/rtl871x_pwrctrl.c
index 8f82d85..d464c13 100644
--- a/drivers/staging/rtl8712/rtl871x_pwrctrl.c
+++ b/drivers/staging/rtl8712/rtl871x_pwrctrl.c
@@ -145,7 +145,7 @@ static void SetPSModeWorkItemCallback(struct work_struct *work)
 		mutex_lock(&pwrpriv->mutex_lock);
 		if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
 			r8712_set_rpwm(padapter, PS_STATE_S4);
-		mutex_lock(&pwrpriv->mutex_lock);
+		mutex_unlock(&pwrpriv->mutex_lock);
 	}
 }

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#1484768 — Re: [PATCH -next] staging: rtl8712: fix double lock bug in SetPSModeWorkItemCallback()

FromGreg KH <gregkh@linuxfoundation.org>
Date2016-09-16 10:10 +0200
SubjectRe: [PATCH -next] staging: rtl8712: fix double lock bug in SetPSModeWorkItemCallback()
Message-ID<shWnE-21n-15@gated-at.bofh.it>
In reply to#1483946
On Thu, Sep 15, 2016 at 10:12:05AM +0000, Wei Yongjun wrote:
> From: Wei Yongjun <weiyongjun1@huawei.com>
> 
> Fix a double lock bug in SetPSModeWorkItemCallback().
> 
> Fixes: 5c2ba8b85e35 ("rtl8712: pwrctrl_priv: Replace semaphore lock > with mutex")

I don't see that commit id in any tree that I can find, are you sure it
is correct?

thanks,

greg k-h

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#1484769 — Re: [PATCH -next] staging: rtl8712: fix double lock bug in SetPSModeWorkItemCallback()

FromGreg KH <gregkh@linuxfoundation.org>
Date2016-09-16 10:10 +0200
SubjectRe: [PATCH -next] staging: rtl8712: fix double lock bug in SetPSModeWorkItemCallback()
Message-ID<shWnE-21n-21@gated-at.bofh.it>
In reply to#1484768
On Fri, Sep 16, 2016 at 10:01:47AM +0200, Greg KH wrote:
> On Thu, Sep 15, 2016 at 10:12:05AM +0000, Wei Yongjun wrote:
> > From: Wei Yongjun <weiyongjun1@huawei.com>
> > 
> > Fix a double lock bug in SetPSModeWorkItemCallback().
> > 
> > Fixes: 5c2ba8b85e35 ("rtl8712: pwrctrl_priv: Replace semaphore lock > with mutex")
> 
> I don't see that commit id in any tree that I can find, are you sure it
> is correct?

Oh nevermind, I was looking at the wrong tree, sorry, this is fine...

greg k-h

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