* [char-misc-next] mei: me: release irq in mei_me_pci_resume error path
@ 2024-06-03 13:29 Tomas Winkler
2024-06-04 4:45 ` Greg Kroah-Hartman
0 siblings, 1 reply; 4+ messages in thread
From: Tomas Winkler @ 2024-06-03 13:29 UTC (permalink / raw)
To: Greg Kroah-Hartman
Cc: Alexander Usyskin, Vitaly Lubart, linux-kernel, Tomas Winkler
The mei_me_pci_resume doesn't release irq on the error path,
in case mei_start() fails.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
---
drivers/misc/mei/pci-me.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index 7f59dd38c32f52dccf632fb4..6589635f8ba32b35fd28876d 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -385,8 +385,10 @@ static int mei_me_pci_resume(struct device *device)
}
err = mei_restart(dev);
- if (err)
+ if (err) {
+ free_irq(pdev->irq, dev);
return err;
+ }
/* Start timer if stopped in suspend */
schedule_delayed_work(&dev->timer_work, HZ);
--
2.45.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [char-misc-next] mei: me: release irq in mei_me_pci_resume error path
2024-06-03 13:29 [char-misc-next] mei: me: release irq in mei_me_pci_resume error path Tomas Winkler
@ 2024-06-04 4:45 ` Greg Kroah-Hartman
2024-06-04 5:45 ` Winkler, Tomas
0 siblings, 1 reply; 4+ messages in thread
From: Greg Kroah-Hartman @ 2024-06-04 4:45 UTC (permalink / raw)
To: Tomas Winkler; +Cc: Alexander Usyskin, Vitaly Lubart, linux-kernel
On Mon, Jun 03, 2024 at 04:29:28PM +0300, Tomas Winkler wrote:
> The mei_me_pci_resume doesn't release irq on the error path,
> in case mei_start() fails.
>
> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
> ---
> drivers/misc/mei/pci-me.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
What commit does this fix?
thanks,
greg k-h
^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: [char-misc-next] mei: me: release irq in mei_me_pci_resume error path
2024-06-04 4:45 ` Greg Kroah-Hartman
@ 2024-06-04 5:45 ` Winkler, Tomas
2024-06-04 6:00 ` Greg Kroah-Hartman
0 siblings, 1 reply; 4+ messages in thread
From: Winkler, Tomas @ 2024-06-04 5:45 UTC (permalink / raw)
To: Greg Kroah-Hartman
Cc: Usyskin, Alexander, Lubart, Vitaly, linux-kernel@vger.kernel.org
>
> On Mon, Jun 03, 2024 at 04:29:28PM +0300, Tomas Winkler wrote:
> > The mei_me_pci_resume doesn't release irq on the error path, in case
> > mei_start() fails.
> >
> > Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
> > ---
> > drivers/misc/mei/pci-me.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
>
> What commit does this fix?
I would say 33ec0826314734fc4f3c9bf37 , kernel version 3.13, it's very old. I can respin with the comment, if you wish.
Thanks
Tomas
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [char-misc-next] mei: me: release irq in mei_me_pci_resume error path
2024-06-04 5:45 ` Winkler, Tomas
@ 2024-06-04 6:00 ` Greg Kroah-Hartman
0 siblings, 0 replies; 4+ messages in thread
From: Greg Kroah-Hartman @ 2024-06-04 6:00 UTC (permalink / raw)
To: Winkler, Tomas
Cc: Usyskin, Alexander, Lubart, Vitaly, linux-kernel@vger.kernel.org
On Tue, Jun 04, 2024 at 05:45:56AM +0000, Winkler, Tomas wrote:
> >
> > On Mon, Jun 03, 2024 at 04:29:28PM +0300, Tomas Winkler wrote:
> > > The mei_me_pci_resume doesn't release irq on the error path, in case
> > > mei_start() fails.
> > >
> > > Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
> > > ---
> > > drivers/misc/mei/pci-me.c | 4 +++-
> > > 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > What commit does this fix?
>
> I would say 33ec0826314734fc4f3c9bf37 , kernel version 3.13, it's very old. I can respin with the comment, if you wish.
As it's a memory-leak fix, that would be good, thanks.
greg k-h
^ permalink raw reply [flat|nested] 4+ messages in thread
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2024-06-03 13:29 [char-misc-next] mei: me: release irq in mei_me_pci_resume error path Tomas Winkler
2024-06-04 4:45 ` Greg Kroah-Hartman
2024-06-04 5:45 ` Winkler, Tomas
2024-06-04 6:00 ` Greg Kroah-Hartman
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