From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Perches Subject: Re: [PATCH] scsi: megaraid_sas: Prevent future %p disaster Date: Tue, 12 May 2015 07:52:16 -0700 Message-ID: <1431442336.2884.57.camel@perches.com> References: <1423233221-27069-1-git-send-email-linux@rasmusvillemoes.dk> <87iobx7uzv.fsf@rasmusvillemoes.dk> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <87iobx7uzv.fsf@rasmusvillemoes.dk> Sender: linux-kernel-owner@vger.kernel.org To: Rasmus Villemoes , Eugene Crosser , Frank Blaschka , Ursula Braun Cc: Kashyap Desai , Sumit Saxena , Uday Lingala , "James E.J. Bottomley" , "PDL,MEGARAIDLINUX" , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-scsi@vger.kernel.org On Tue, 2015-05-12 at 16:04 +0200, Rasmus Villemoes wrote: > On Tue, Feb 10 2015, Kashyap Desai wrote: > > > Acked-by: Kashyap Desai > > > >> -----Original Message----- > >> From: Rasmus Villemoes [mailto:linux@rasmusvillemoes.dk] > >> Sent: Friday, February 06, 2015 8:04 PM > >> To: Kashyap Desai; Sumit Saxena; Uday Lingala; James E.J. Bottomley > >> Cc: Rasmus Villemoes; megaraidlinux.pdl@avagotech.com; linux- > >> scsi@vger.kernel.org; linux-kernel@vger.kernel.org > >> Subject: [PATCH] scsi: megaraid_sas: Prevent future %p disaster > >> > >> There is currently no %po format extension, so currently the letters > > "on" are > >> simply skipped and the pointer is printed as expected (while missing the > > word > >> on). However, it is probably only a matter of time before someone comes > > up > >> with a %po extension, at which point this is likely to fail > > spectacularly. > >> > >> Signed-off-by: Rasmus Villemoes > > Any chance either this minimal fix or Joe's more thorough cleanup could > get applied? There's still no %po extension, but there's certainly a lot > of proposals for more %p extensions flying around LKML, so I still think > the "only a matter of time" holds. There's also this one with %pM6: --- drivers/s390/net/qeth_l2_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 0ea0869..dc783047 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1420,8 +1420,8 @@ static void qeth_bridge_emit_host_event(struct qeth_card *card, env[i] = str[i]; i++; } if (code & IPA_ADDR_CHANGE_CODE_MACADDR) { - snprintf(str[i], sizeof(str[i]), "MAC=%pM6", - &addr_lnid->mac); + snprintf(str[i], sizeof(str[i]), "MAC=%pM", + addr_lnid->mac); env[i] = str[i]; i++; } snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x",