From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [PATCH] IDE-TAPE NULL terminate strings. Date: Sun, 21 Sep 2008 23:24:10 +0400 Message-ID: <48D69F5A.9010201@ru.mvista.com> References: <20080921185138.GA16310@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from gateway-1237.mvista.com ([63.81.120.155]:58026 "EHLO imap.sh.mvista.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751052AbYIUTXO (ORCPT ); Sun, 21 Sep 2008 15:23:14 -0400 In-Reply-To: <20080921185138.GA16310@localhost> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark de Wever Cc: Gadi Oxman , Bartlomiej Zolnierkiewicz , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Hello. Mark de Wever wrote: > After updating my kernel to 2.6.26 the output for the ide-tape drive > during booting is garbled eg > ide-tape: hdd <-> ht0: Seagate <98>=DF8A51|1=C0<81>=DC=BA<98>=DF STT2= 0000A rev 8A51|1=C0<81>=DC=BA<98>=DF > This patch fixes the problem by NULL terminating the strings. > Regards, > Mark de Wever > PS: please CC me since I'm not subscribed. > PPS: there are more problems with my tapestreamer in 2.6.26 but I'll > post a separate message for that. > Signed-off-by: Mark de Wever > diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c > index 1bce84b..fd87b43 100644 > --- a/drivers/ide/ide-tape.c > +++ b/drivers/ide/ide-tape.c > @@ -2354,6 +2354,10 @@ static void idetape_get_inquiry_results(ide_dr= ive_t *drive) > ide_fixstring(product_id, 18, 0); > ide_fixstring(fw_rev, 6, 0); > =20 > + fw_rev[4] =3D '\0'; > + vendor_id[8] =3D '\0'; > + product_id[16] =3D '\0'; > + > printk(KERN_INFO "ide-tape: %s <-> %s: %s %s rev %s\n", > drive->name, tape->name, vendor_id, product_id, fw_rev); This is not quite correct way to tackle this. More correct would b= e to=20 fix the format specifiers in this printk() to only print no more than N= string=20 characters like this: printk(KERN_INFO "ide-tape: %s <-> %s: %.8s %.16s rev %.4s\n", drive->name, tape->name, vendor_id, product_id, fw_rev); MBR, Sergei