From: Greg KH <gregkh@linuxfoundation.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
Mauro Carvalho Chehab <mchehab@redhat.com>,
Ming Lei <ming.lei@canonical.com>, Kay Sievers <kay@vrfy.org>,
Lennart Poettering <lennart@poettering.net>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Kay Sievers <kay@redhat.com>,
Linux Media Mailing List <linux-media@vger.kernel.org>,
Michael Krufky <mkrufky@linuxtv.org>,
Ivan Kalvachev <ikalvachev@gmail.com>
Subject: Re: udev breakages - was: Re: Need of an ".async_probe()" type of callback at driver's core - Was: Re: [PATCH] [media] drxk: change it to use request_firmware_nowait()
Date: Wed, 3 Oct 2012 12:50:59 -0700 [thread overview]
Message-ID: <20121003195059.GA13541@kroah.com> (raw)
In-Reply-To: <CA+55aFw0pB99ztq5YUS56db-ijdxzevA=mvY3ce5O_yujVFOcA@mail.gmail.com>
On Wed, Oct 03, 2012 at 10:32:08AM -0700, Linus Torvalds wrote:
> On Wed, Oct 3, 2012 at 10:09 AM, Al Viro <viro@zeniv.linux.org.uk> wrote:
> >
> > + if (!S_ISREG(inode->i_mode))
> > + return false;
> > + size = i_size_read(inode);
> >
> > Probably better to do vfs_getattr() and check mode and size in kstat; if
> > it's sufficiently hot for that to hurt, we are fucked anyway.
> >
> > + file = filp_open(path, O_RDONLY, 0);
> > + if (IS_ERR(file))
> > + continue;
> > +printk("from file '%s' ", path);
> > + success = fw_read_file_contents(file, fw);
> > + filp_close(file, NULL);
> >
> > fput(file), please. We have enough misuses of filp_close() as it is...
>
> Ok, like this?
This looks good to me. Having udev do firmware loading and tieing it to
the driver model may have not been such a good idea so many years ago.
Doing it this way makes more sense.
greg k-h
next prev parent reply other threads:[~2012-10-03 19:51 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1340285798-8322-1-git-send-email-mchehab@redhat.com>
[not found] ` <4FE37194.30407@redhat.com>
[not found] ` <4FE8B8BC.3020702@iki.fi>
[not found] ` <4FE8C4C4.1050901@redhat.com>
[not found] ` <4FE8CED5.104@redhat.com>
[not found] ` <20120625223306.GA2764@kroah.com>
[not found] ` <4FE9169D.5020300@redhat.com>
2012-10-02 13:03 ` udev breakages - was: Re: Need of an ".async_probe()" type of callback at driver's core - Was: Re: [PATCH] [media] drxk: change it to use request_firmware_nowait() Mauro Carvalho Chehab
2012-10-02 16:33 ` Linus Torvalds
2012-10-02 21:03 ` Ivan Kalvachev
2012-10-02 22:37 ` Linus Torvalds
2012-10-03 22:15 ` Lucas De Marchi
2012-10-11 18:33 ` Shea Levy
2012-10-12 1:55 ` Ming Lei
2012-10-02 22:12 ` Greg KH
2012-10-02 22:23 ` Greg KH
2012-10-02 22:47 ` Linus Torvalds
2012-10-03 0:01 ` Jiri Kosina
2012-10-03 0:12 ` Linus Torvalds
2012-10-04 14:36 ` Jiri Kosina
2012-10-03 15:13 ` Mauro Carvalho Chehab
2012-10-03 16:38 ` Linus Torvalds
2012-10-03 17:00 ` Linus Torvalds
2012-10-03 17:09 ` Al Viro
2012-10-03 17:32 ` Linus Torvalds
2012-10-03 19:26 ` Al Viro
2012-10-04 0:57 ` udev breakages - Nix
2012-10-04 10:35 ` Nix
2012-10-03 19:50 ` Greg KH [this message]
2012-10-03 20:39 ` udev breakages - was: Re: Need of an ".async_probe()" type of callback at driver's core - Was: Re: [PATCH] [media] drxk: change it to use request_firmware_nowait() Linus Torvalds
2012-10-03 21:04 ` Kay Sievers
2012-10-03 21:05 ` Greg KH
2012-10-03 21:18 ` Kay Sievers
2012-10-03 21:45 ` Alan Cox
2012-10-03 21:58 ` Lucas De Marchi
2012-10-03 22:17 ` Linus Torvalds
2012-10-03 22:48 ` Andy Walls
2012-10-03 22:58 ` Linus Torvalds
2012-10-04 2:39 ` Kay Sievers
2012-10-04 17:29 ` udev breakages - Eric W. Biederman
2012-10-04 17:42 ` Greg KH
2012-10-04 19:17 ` Alan Cox
2012-10-10 3:19 ` Felipe Contreras
2012-10-10 16:08 ` Geert Uytterhoeven
2012-10-11 3:32 ` Eric W. Biederman
2012-10-04 13:39 ` udev breakages - was: Re: Need of an ".async_probe()" type of callback at driver's core - Was: Re: [PATCH] [media] drxk: change it to use request_firmware_nowait() Josh Boyer
2012-10-04 13:58 ` Greg KH
2012-10-03 22:53 ` Stephen Rothwell
2012-10-03 21:10 ` Andy Walls
2012-10-03 19:48 ` Access files from kernel Kirill A. Shutemov
2012-10-03 20:32 ` Linus Torvalds
[not found] ` <CACVXFVNTZmG+zTQNi9mCn9ynsCjkM084TmHKDcYYggtqLfhqNQ@mail.gmail.com>
2012-10-04 1:42 ` udev breakages - was: Re: Need of an ".async_probe()" type of callback at driver's core - Was: Re: [PATCH] [media] drxk: change it to use request_firmware_nowait() Linus Torvalds
2012-10-03 14:12 ` Mauro Carvalho Chehab
2012-10-03 14:36 ` Kay Sievers
2012-10-03 14:44 ` Linus Torvalds
2012-10-03 16:57 ` Greg KH
2012-10-03 17:24 ` Kay Sievers
2012-10-03 18:07 ` Linus Torvalds
2012-10-03 19:46 ` Mauro Carvalho Chehab
[not found] <fa.90I1W/wmSTgRFXVG67o7Pp3+rKA@ifi.uio.no>
[not found] ` <fa.Oszo+r/ZqdTxC2FHqqg+CRVMJ5Y@ifi.uio.no>
[not found] ` <fa.CoxzZZId9dJONv353c+pFG/HO8E@ifi.uio.no>
[not found] ` <fa.ixJ/7D7BnMK8xp7CwikX7jbmnKU@ifi.uio.no>
[not found] ` <fa./ubRQE7P/T+ateohnOKdDxOFhL4@ifi.uio.no>
[not found] ` <fa.lpiFTa5CtuIkUf2Z5eJ0YlsNwYI@ifi.uio.no>
2012-10-04 14:50 ` Kurt H Maier
2012-10-05 8:03 ` Emmanuel Benisty
2012-10-05 20:17 ` david
2012-10-05 21:43 ` Henrique de Moraes Holschuh
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