From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from xc.sipsolutions.net ([83.246.72.84]:33070 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753441AbZCIPHh (ORCPT ); Mon, 9 Mar 2009 11:07:37 -0400 Subject: Re: [PATCH] mac80211: handle failed scan requests in STA mode From: Johannes Berg To: Helmut Schaa Cc: linville@tuxdriver.com, linux-wireless@vger.kernel.org In-Reply-To: <200903091603.59050.helmut.schaa@gmail.com> (sfid-20090309_160440_260431_36631558) References: <200903091547.09223.helmut.schaa@gmail.com> <1236610200.4205.82.camel@johannes.local> <200903091603.59050.helmut.schaa@gmail.com> (sfid-20090309_160440_260431_36631558) Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-G9gfGyZC8nZDWgC3B0HP" Date: Mon, 09 Mar 2009 16:07:30 +0100 Message-Id: <1236611250.4205.84.camel@johannes.local> (sfid-20090309_160750_927870_70363E8E) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-G9gfGyZC8nZDWgC3B0HP Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Mon, 2009-03-09 at 16:03 +0100, Helmut Schaa wrote: > Am Montag, 9. M=C3=A4rz 2009 schrieb Johannes Berg: > > On Mon, 2009-03-09 at 15:47 +0100, Helmut Schaa wrote: > > > Johannes, do you think it is worth to add something like a scan watch= dog that > > > triggers after 30 seconds to cfg80211 and prints "scan request failed= ", cancels > > > the scan request and notifies user space? > >=20 > > But I don't really think it's worth doing that. >=20 > Fine with me. This was just a quick idea on how we could easily spot such= =20 > bugs in the future (for example when fullmac drivers start using cfg80211= ). Yeah, might be worth it later, but I suspect that other drivers will have state machines that are easier to verify. johannes --=-G9gfGyZC8nZDWgC3B0HP Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIcBAABAgAGBQJJtTCvAAoJEKVg1VMiehFYWtAP/iLF5OuOwgfsOs6upItajCE6 zO/FE8YXoNkLCysZNGwksU81CPBdHso+ck2rKwnR2Na0GYUCFBRO4qsHWJBst4y8 JGvkCOE7Sq3ag09QoHLqOtZQMKrqDcOZSK6tdRblij80YUCi0crACshQKHF1R66r Nt30U/9DjHogI35bA/xg7jZa8CiWxAES8CzkreiRCoxHwizYjOX4i8l314XKw4eH UxKD/VRb6Pgm2PP+tb5bgcnaJUzVk7+oDULBKx703hHSJRKSaKz4Pn+Q+My1YrVe aumY6LIOqPUguugZ7YrY5VAKP+SfR34onD9qkIE8JNbDPlG0zHGJ3Ifg/nOUL/MA 5bOU4iZ4SAmmwXiX3F8uVofYKvb6bbDMfi3Yunp3/hpOurorPErLHovWiN7sJ747 IU05DEI4G8/f2f+DDSt5OMyMBWSCr72ctQlL9SaJtRQlQRxnmcPLoEjNHaoXMecO lZqW7lUC5TOiLvCAMfBHmbDSX843bGJkESa1bCnkx+Bn5Dzc8ngE8sRuENczOpY7 nR40wJgOH7/KYomnnraZwORxlOVTD/Lb3DxOrj6YTAt42hFATBp+CoCmcxHedOyi x7PKp/ksKaaDzPNpFtrGm5eTq0QlIO8zqsXnpHoRII22FR8R3Jl62BNy7pK2y7Sa kcHi6P4xzJnh/JBx5MwD =ejXb -----END PGP SIGNATURE----- --=-G9gfGyZC8nZDWgC3B0HP--