From: Roger Pau Monne Date: Wed, 2 Oct 2013 09:24:25 +0000 (+0200) Subject: libxl: make hotplug execution conditional on backend_domid == domid X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~6066 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=19045bcf3b738f98718fc46e50b35e315c78cf3c;p=xen.git libxl: make hotplug execution conditional on backend_domid == domid libxl currently refuses to execute hotplug scripts if the backend domid of a device is different than LIBXL_TOOLSTACK_DOMID. This will prevent libxl from executing hotplug scripts when running on a domain different than LIBXL_TOOLSTACK_DOMID, we should instead check if backend_domid is different than current domid. Signed-off-by: Roger Pau Monné Acked-by: Ian Campbell Acked-by: Ian Jackson --- diff --git a/tools/libxl/libxl_device.c b/tools/libxl/libxl_device.c index 2971dd354d..48acc9235e 100644 --- a/tools/libxl/libxl_device.c +++ b/tools/libxl/libxl_device.c @@ -908,12 +908,15 @@ static void device_hotplug(libxl__egc *egc, libxl__ao_device *aodev) int rc = 0; int hotplug; pid_t pid; + uint32_t domid; /* * If device is attached from a driver domain don't try to execute * hotplug scripts */ - if (aodev->dev->backend_domid != LIBXL_TOOLSTACK_DOMID) + rc = libxl__get_domid(gc, &domid); + if (rc) goto out; + if (aodev->dev->backend_domid != domid) goto out; /* Check if we have to execute hotplug scripts for this device