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Groups > linux.kernel > #1532197 > unrolled thread

[char-msic 3/3] mei: fix return value on disconnection

Started byTomas Winkler <tomas.winkler@intel.com>
First post2016-11-29 12:50 +0100
Last post2016-11-29 21:20 +0100
Articles 4 — 3 participants

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  [char-msic 3/3] mei: fix return value on disconnection Tomas Winkler <tomas.winkler@intel.com> - 2016-11-29 12:50 +0100
    Re: [char-msic 3/3] mei: fix return value on disconnection Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-11-29 20:20 +0100
      RE: [char-msic 3/3] mei: fix return value on disconnection "Winkler, Tomas" <tomas.winkler@intel.com> - 2016-11-29 21:20 +0100
      RE: [char-msic 3/3] mei: fix return value on disconnection "Winkler, Tomas" <tomas.winkler@intel.com> - 2016-11-29 21:20 +0100

#1532197 — [char-msic 3/3] mei: fix return value on disconnection

FromTomas Winkler <tomas.winkler@intel.com>
Date2016-11-29 12:50 +0100
Subject[char-msic 3/3] mei: fix return value on disconnection
Message-ID<sIP57-7Uu-17@gated-at.bofh.it>
commit 2d4d5481e2d6f93b25fcfb13a9f20bbfbf54266a upstream.

Correct errno on client disconnection is -ENODEV not -EBUSY

Cc: <stable@vger.kernel.org> #4.4
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/misc/mei/bus.c  | 2 +-
 drivers/misc/mei/main.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index a77643954523..e59838231703 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -144,7 +144,7 @@ ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length)
 		mutex_lock(&bus->device_lock);
 
 		if (!mei_cl_is_connected(cl)) {
-			rets = -EBUSY;
+			rets = -ENODEV;
 			goto out;
 		}
 	}
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 80f9afcb1382..4ef189a7a2fb 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -207,7 +207,7 @@ static ssize_t mei_read(struct file *file, char __user *ubuf,
 
 		mutex_lock(&dev->device_lock);
 		if (!mei_cl_is_connected(cl)) {
-			rets = -EBUSY;
+			rets = -ENODEV;
 			goto out;
 		}
 	}
-- 
2.7.4

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#1532688

FromGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Date2016-11-29 20:20 +0100
Message-ID<sIW6B-48h-1@gated-at.bofh.it>
In reply to#1532197
On Tue, Nov 29, 2016 at 02:44:46PM +0200, Tomas Winkler wrote:
> commit 2d4d5481e2d6f93b25fcfb13a9f20bbfbf54266a upstream.
> 
> Correct errno on client disconnection is -ENODEV not -EBUSY
> 
> Cc: <stable@vger.kernel.org> #4.4
> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
>  drivers/misc/mei/bus.c  | 2 +-
>  drivers/misc/mei/main.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)

Again, what kernel tree?

greg k-h

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#1532733

From"Winkler, Tomas" <tomas.winkler@intel.com>
Date2016-11-29 21:20 +0100
Message-ID<sIX2G-4Lk-7@gated-at.bofh.it>
In reply to#1532688

> -----Original Message-----
> From: Greg Kroah-Hartman [mailto:gregkh@linuxfoundation.org]
> Sent: Tuesday, November 29, 2016 21:15
> To: Winkler, Tomas <tomas.winkler@intel.com>
> Cc: stable@vger.kernel.org; linux-kernel@vger.kernel.org; Usyskin, Alexander
> <alexander.usyskin@intel.com>
> Subject: Re: [char-msic 3/3] mei: fix return value on disconnection
> 
> On Tue, Nov 29, 2016 at 02:44:46PM +0200, Tomas Winkler wrote:
> > commit 2d4d5481e2d6f93b25fcfb13a9f20bbfbf54266a upstream.
> >
> > Correct errno on client disconnection is -ENODEV not -EBUSY
> >
> > Cc: <stable@vger.kernel.org> #4.4
> > Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
> > Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > ---
> >  drivers/misc/mei/bus.c  | 2 +-
> >  drivers/misc/mei/main.c | 2 +-
> >  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> Again, what kernel tree?
Stable 4.4 
Cc: <stable@vger.kernel.org> #4.4


Thanks
Tomas

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#1532738

From"Winkler, Tomas" <tomas.winkler@intel.com>
Date2016-11-29 21:20 +0100
Message-ID<sIX2G-4Lk-15@gated-at.bofh.it>
In reply to#1532688

> -----Original Message-----
> From: Greg Kroah-Hartman [mailto:gregkh@linuxfoundation.org]
> Sent: Tuesday, November 29, 2016 21:15
> To: Winkler, Tomas <tomas.winkler@intel.com>
> Cc: stable@vger.kernel.org; linux-kernel@vger.kernel.org; Usyskin, Alexander
> <alexander.usyskin@intel.com>
> Subject: Re: [char-msic 3/3] mei: fix return value on disconnection
> 
> On Tue, Nov 29, 2016 at 02:44:46PM +0200, Tomas Winkler wrote:
> > commit 2d4d5481e2d6f93b25fcfb13a9f20bbfbf54266a upstream.
> >
> > Correct errno on client disconnection is -ENODEV not -EBUSY
> >
> > Cc: <stable@vger.kernel.org> #4.4
> > Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
> > Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > ---
> >  drivers/misc/mei/bus.c  | 2 +-
> >  drivers/misc/mei/main.c | 2 +-
> >  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> Again, what kernel tree?

Stable 4.4 
Cc: <stable@vger.kernel.org> #4.4

Thanks
Tomas 

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