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* [ptxdist] [PATCH] udev: fix error on kernels without uevent helpers
@ 2015-06-23 14:18 Clemens Gruber
  2015-07-01  8:07 ` Michael Olbrich
  0 siblings, 1 reply; 3+ messages in thread
From: Clemens Gruber @ 2015-06-23 14:18 UTC (permalink / raw)
  To: ptxdist; +Cc: Clemens Gruber

Current kernel docs recommend disabling CONFIG_UEVENT_HELPER.

If disabled however, the following error message is shown:
/etc/rc.d/S00udev: line 95: can't create /proc/sys/kernel/hotplug:
nonexistent directory

This patch fixes it by checking if /proc/sys/kernel/hotplug exists.

Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>
---
 projectroot/etc/init.d/udev | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/projectroot/etc/init.d/udev b/projectroot/etc/init.d/udev
index 1020b40..a7722b7 100644
--- a/projectroot/etc/init.d/udev
+++ b/projectroot/etc/init.d/udev
@@ -50,7 +50,9 @@ start)
 
 	# udev handles uevents itself, so we don't need to have
 	# the kernel call out to any binary in response to them
-	echo > /proc/sys/kernel/hotplug
+	if [ -e /proc/sys/kernel/hotplug ]; then
+		echo > /proc/sys/kernel/hotplug
+	fi
 
 	echo "creating static nodes"
 	make_extra_nodes
-- 
2.4.4


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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [ptxdist] [PATCH] udev: fix error on kernels without uevent helpers
  2015-06-23 14:18 [ptxdist] [PATCH] udev: fix error on kernels without uevent helpers Clemens Gruber
@ 2015-07-01  8:07 ` Michael Olbrich
  2015-07-01  8:08   ` Michael Olbrich
  0 siblings, 1 reply; 3+ messages in thread
From: Michael Olbrich @ 2015-07-01  8:07 UTC (permalink / raw)
  To: ptxdist

On Tue, Jun 23, 2015 at 04:18:00PM +0200, Clemens Gruber wrote:
> Current kernel docs recommend disabling CONFIG_UEVENT_HELPER.
> 
> If disabled however, the following error message is shown:
> /etc/rc.d/S00udev: line 95: can't create /proc/sys/kernel/hotplug:
> nonexistent directory
> 
> This patch fixes it by checking if /proc/sys/kernel/hotplug exists.
> 
> Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>

Thanks, applied.

Michael

> ---
>  projectroot/etc/init.d/udev | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/projectroot/etc/init.d/udev b/projectroot/etc/init.d/udev
> index 1020b40..a7722b7 100644
> --- a/projectroot/etc/init.d/udev
> +++ b/projectroot/etc/init.d/udev
> @@ -50,7 +50,9 @@ start)
>  
>  	# udev handles uevents itself, so we don't need to have
>  	# the kernel call out to any binary in response to them
> -	echo > /proc/sys/kernel/hotplug
> +	if [ -e /proc/sys/kernel/hotplug ]; then
> +		echo > /proc/sys/kernel/hotplug
> +	fi
>  
>  	echo "creating static nodes"
>  	make_extra_nodes
> -- 
> 2.4.4
> 
> 
> -- 
> ptxdist mailing list
> ptxdist@pengutronix.de

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [ptxdist] [PATCH] udev: fix error on kernels without uevent helpers
  2015-07-01  8:07 ` Michael Olbrich
@ 2015-07-01  8:08   ` Michael Olbrich
  0 siblings, 0 replies; 3+ messages in thread
From: Michael Olbrich @ 2015-07-01  8:08 UTC (permalink / raw)
  To: ptxdist

On Wed, Jul 01, 2015 at 10:07:42AM +0200, Michael Olbrich wrote:
> On Tue, Jun 23, 2015 at 04:18:00PM +0200, Clemens Gruber wrote:
> > Current kernel docs recommend disabling CONFIG_UEVENT_HELPER.
> > 
> > If disabled however, the following error message is shown:
> > /etc/rc.d/S00udev: line 95: can't create /proc/sys/kernel/hotplug:
> > nonexistent directory
> > 
> > This patch fixes it by checking if /proc/sys/kernel/hotplug exists.
> > 
> > Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>
> 
> Thanks, applied.

Not this on, the v2.

Michael

> > ---
> >  projectroot/etc/init.d/udev | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> > 
> > diff --git a/projectroot/etc/init.d/udev b/projectroot/etc/init.d/udev
> > index 1020b40..a7722b7 100644
> > --- a/projectroot/etc/init.d/udev
> > +++ b/projectroot/etc/init.d/udev
> > @@ -50,7 +50,9 @@ start)
> >  
> >  	# udev handles uevents itself, so we don't need to have
> >  	# the kernel call out to any binary in response to them
> > -	echo > /proc/sys/kernel/hotplug
> > +	if [ -e /proc/sys/kernel/hotplug ]; then
> > +		echo > /proc/sys/kernel/hotplug
> > +	fi
> >  
> >  	echo "creating static nodes"
> >  	make_extra_nodes
> > -- 
> > 2.4.4
> > 
> > 
> > -- 
> > ptxdist mailing list
> > ptxdist@pengutronix.de
> 
> -- 
> Pengutronix e.K.                           |                             |
> Industrial Linux Solutions                 | http://www.pengutronix.de/  |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
> Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |
> 
> -- 
> ptxdist mailing list
> ptxdist@pengutronix.de

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2015-07-01  6:08 UTC | newest]

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2015-06-23 14:18 [ptxdist] [PATCH] udev: fix error on kernels without uevent helpers Clemens Gruber
2015-07-01  8:07 ` Michael Olbrich
2015-07-01  8:08   ` Michael Olbrich

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