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Date: Mon, 25 Mar 2019 08:30:45 +0100 From: Michal Kubecek <mkubecek@...e.cz> To: Sudip Mukherjee <sudipm.mukherjee@...il.com> Cc: linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: regression (bisected): "modprobe parport_pc" hangs in current mainline On Sun, Mar 24, 2019 at 07:38:38PM +0000, Sudip Mukherjee wrote: > And I was able to reproduce the problem using a vm and Suse Tumblewood with > next-20190322. Can you please try the attached patch and test on your vm and > machine and check if it fixes the problem. > > -- > Regards > Sudip > diff --git a/drivers/parport/share.c b/drivers/parport/share.c > index 0171b8dbcdcd..f87948fbfc34 100644 > --- a/drivers/parport/share.c > +++ b/drivers/parport/share.c > @@ -274,7 +274,7 @@ static int port_check(struct device *dev, void *dev_drv) > int __parport_register_driver(struct parport_driver *drv, struct module *owner, > const char *mod_name) > { > - if (list_empty(&portlist)) > + if (list_empty(&portlist) && strcmp(drv->name, "daisy_drv")) > get_lowlevel_driver(); > > if (drv->devmodel) { Yes, with this patch (on top of v5.1-rc2), both physical machine and VM let the module(s) load cleanly even with the alias line restored. Tested-by: Michal Kubecek <mkubecek@...e.cz> Thank you, Michal
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