Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756196Ab3C2QLG (ORCPT ); Fri, 29 Mar 2013 12:11:06 -0400 Received: from shrek-wifi.podlesie.net ([93.179.225.50]:41148 "EHLO shrek.podlesie.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754189Ab3C2QLF (ORCPT ); Fri, 29 Mar 2013 12:11:05 -0400 Date: Fri, 29 Mar 2013 17:10:56 +0100 From: Krzysztof Mazur To: Gwendal Grignou Cc: ronald645@gmail.com, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] [libata] Fix HDIO_DRIVE_CMD ioctl sense data check Message-ID: <20130329161056.GA9322@shrek.podlesie.net> References: <1364570801-6515-1-git-send-email-gwendal@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1364570801-6515-1-git-send-email-gwendal@google.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1634 Lines: 43 On Fri, Mar 29, 2013 at 08:26:41AM -0700, Gwendal Grignou wrote: > commit 84a9a8cd9d0aa93c17e5815ab8a9cc4c0a765c63 changed the sense key > used for returning task registers, but HDIO_DRIVE_CMD ioctl was > not changed accordingly. > > Tested: check that SMART ENABLE sent using HDIO_DRIVE_CMD returns 0 > instead of EIO. > > Signed-off-by: Gwendal Grignou > --- > drivers/ata/libata-scsi.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c > index 318b413..e05bf4c 100644 > --- a/drivers/ata/libata-scsi.c > +++ b/drivers/ata/libata-scsi.c > @@ -532,8 +532,8 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg) > struct scsi_sense_hdr sshdr; > scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE, > &sshdr); > - if (sshdr.sense_key == 0 && > - sshdr.asc == 0 && sshdr.ascq == 0) > + if (sshdr.sense_key == RECOVERED_ERROR && > + sshdr.asc == 0 && sshdr.ascq == 0x1D) > cmd_result &= ~SAM_STAT_CHECK_CONDITION; > } > > -- > 1.8.1.3 I did not test your patch, but I think that you missed the second test in ata_task_ioctl() and the kernel will still return -EIO in case of HDIO_DRIVE_TASK (0x31e) ioctl. See http://marc.info/?l=linux-kernel&m=136438868606981&w=2. The version I've sent fixes the problem for me. Krzysiek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/