This patch has now been successfully tested with udev from systemd
(recent udev releases) and therefore it is potentially ready to be
merged and released.
I am going to post again the same patch (v1) with a modified
description stating that it has now been tested.
On Sun, 21/10/2018 at 00.54 +0200, Guido Trentalancia wrote:
> Fix the udev rules used to setup the USB device permissions so that
> they
> work with all udev versions.
>
> The first bug is triggered by earlier udev versions when trying to
> detect
> the USB subsystem.
>
> The second problem is that the TAG method does work only with udev
> from
> systemd and not with earlier udev versions.
>
> This patch might need some minimal testing with udev from systemd.
>
> Signed-off-by: Guido Trentalancia <gu...@trentalancia.com>
> ---
>
> diff -pru libsigrok-git-20102018/contrib/60-libsigrok.rules
> libsigrok-git-20102018-fix-udev-rules/contrib/60-libsigrok.rules
> --- libsigrok-git-20102018/contrib/60-libsigrok.rules 2018-10-
> 20 13:12:30.838966966 +0200
> +++ libsigrok-git-20102018-fix-udev-rules/contrib/60-libsigrok.rules
> 2018-10-21 00:36:38.494626234 +0200
> @@ -33,7 +33,11 @@
> #
>
> ACTION!="add|change", GOTO="libsigrok_rules_end"
> -SUBSYSTEM!="usb|usbmisc|usb_device", GOTO="libsigrok_rules_end"
> +SUBSYSTEMS=="usb", GOTO="libsigrok_rules_begin"
> +
> +GOTO="libsigrok_rules_end"
> +
> +LABEL="libsigrok_rules_begin"
>
> # Agilent USBTMC-connected devices
> # 34405A
> diff -pru libsigrok-git-20102018/contrib/61-libsigrok-uaccess.rules
> libsigrok-git-20102018-fix-udev-rules/contrib/61-libsigrok-
> uaccess.rules
> --- libsigrok-git-20102018/contrib/61-libsigrok-uaccess.rules
> 2018-10-20 13:12:30.839966966 +0200
> +++ libsigrok-git-20102018-fix-udev-rules/contrib/61-libsigrok-
> uaccess.rules 2018-10-21 00:37:44.636625963 +0200
> @@ -27,6 +27,6 @@
>
> ACTION!="add|change", GOTO="libsigrok_rules_uaccess_end"
>
> -ENV{ID_SIGROK}=="1", TAG+="uaccess"
> +ENV{ID_SIGROK}=="1", MODE="0666"
>
> LABEL="libsigrok_rules_uaccess_end"
>
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