From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH 10/13] libata: kill NULL qc handling from ->eng_timeout callbacks Date: Mon, 23 Jan 2006 13:09:37 +0900 Message-ID: <11379893773779-git-send-email-htejun@gmail.com> References: <11379893762140-git-send-email-htejun@gmail.com> Reply-To: Tejun Heo Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Received: from wproxy.gmail.com ([64.233.184.200]:64019 "EHLO wproxy.gmail.com") by vger.kernel.org with ESMTP id S1751410AbWAWEJr (ORCPT ); Sun, 22 Jan 2006 23:09:47 -0500 Received: by wproxy.gmail.com with SMTP id 57so810385wri for ; Sun, 22 Jan 2006 20:09:46 -0800 (PST) In-Reply-To: <11379893762140-git-send-email-htejun@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: jgarzik@pobox.com, linux-ide@vger.kernel.org, albertcc@tw.ibm.com Cc: Tejun Heo ->eng_timeout is not invoked with NULL qc anymore. Kill NULL qc handling from all ->eng_timeout callbacks. Signed-off-by: Tejun Heo --- drivers/scsi/ahci.c | 12 +++--------- drivers/scsi/libata-core.c | 12 +----------- drivers/scsi/sata_mv.c | 9 ++------- drivers/scsi/sata_promise.c | 9 +-------- drivers/scsi/sata_sil24.c | 5 ----- drivers/scsi/sata_sx4.c | 9 +-------- 6 files changed, 8 insertions(+), 48 deletions(-) 7fe3cc73fb7f92c06c71e1798edefc2be6a6723c diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c index 5a6b230..604c4d1 100644 --- a/drivers/scsi/ahci.c +++ b/drivers/scsi/ahci.c @@ -666,19 +666,13 @@ static void ahci_eng_timeout(struct ata_ spin_lock_irqsave(&host_set->lock, flags); + ahci_restart_port(ap, readl(port_mmio + PORT_IRQ_STAT)); qc = ata_qc_from_tag(ap, ap->active_tag); - if (!qc) { - printk(KERN_ERR "ata%u: BUG: timeout without command\n", - ap->id); - } else { - ahci_restart_port(ap, readl(port_mmio + PORT_IRQ_STAT)); - qc->err_mask |= AC_ERR_TIMEOUT; - } + qc->err_mask |= AC_ERR_TIMEOUT; spin_unlock_irqrestore(&host_set->lock, flags); - if (qc) - ata_eh_qc_complete(qc); + ata_eh_qc_complete(qc); } static inline int ahci_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc) diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 93ae2dc..b2f51bb 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -3503,20 +3503,10 @@ static void ata_qc_timeout(struct ata_qu void ata_eng_timeout(struct ata_port *ap) { - struct ata_queued_cmd *qc; - DPRINTK("ENTER\n"); - qc = ata_qc_from_tag(ap, ap->active_tag); - if (qc) - ata_qc_timeout(qc); - else { - printk(KERN_ERR "ata%u: BUG: timeout without command\n", - ap->id); - goto out; - } + ata_qc_timeout(ata_qc_from_tag(ap, ap->active_tag)); -out: DPRINTK("EXIT\n"); } diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c index d9a554c..9b56f9b 100644 --- a/drivers/scsi/sata_mv.c +++ b/drivers/scsi/sata_mv.c @@ -1853,13 +1853,8 @@ static void mv_eng_timeout(struct ata_po mv_err_intr(ap); mv_stop_and_reset(ap); - if (!qc) { - printk(KERN_ERR "ata%u: BUG: timeout without command\n", - ap->id); - } else { - qc->err_mask |= AC_ERR_TIMEOUT; - ata_eh_qc_complete(qc); - } + qc->err_mask |= AC_ERR_TIMEOUT; + ata_eh_qc_complete(qc); } /** diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c index 77ef646..9fc9cbf 100644 --- a/drivers/scsi/sata_promise.c +++ b/drivers/scsi/sata_promise.c @@ -394,11 +394,6 @@ static void pdc_eng_timeout(struct ata_p spin_lock_irqsave(&host_set->lock, flags); qc = ata_qc_from_tag(ap, ap->active_tag); - if (!qc) { - printk(KERN_ERR "ata%u: BUG: timeout without command\n", - ap->id); - goto out; - } switch (qc->tf.protocol) { case ATA_PROT_DMA: @@ -418,10 +413,8 @@ static void pdc_eng_timeout(struct ata_p break; } -out: spin_unlock_irqrestore(&host_set->lock, flags); - if (qc) - ata_eh_qc_complete(qc); + ata_eh_qc_complete(qc); DPRINTK("EXIT\n"); } diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c index 7222fc7..1160fda 100644 --- a/drivers/scsi/sata_sil24.c +++ b/drivers/scsi/sata_sil24.c @@ -638,11 +638,6 @@ static void sil24_eng_timeout(struct ata struct ata_queued_cmd *qc; qc = ata_qc_from_tag(ap, ap->active_tag); - if (!qc) { - printk(KERN_ERR "ata%u: BUG: timeout without command\n", - ap->id); - return; - } printk(KERN_ERR "ata%u: command timeout\n", ap->id); qc->err_mask |= AC_ERR_TIMEOUT; diff --git a/drivers/scsi/sata_sx4.c b/drivers/scsi/sata_sx4.c index 9f992fb..b4ffa3f 100644 --- a/drivers/scsi/sata_sx4.c +++ b/drivers/scsi/sata_sx4.c @@ -866,11 +866,6 @@ static void pdc_eng_timeout(struct ata_p spin_lock_irqsave(&host_set->lock, flags); qc = ata_qc_from_tag(ap, ap->active_tag); - if (!qc) { - printk(KERN_ERR "ata%u: BUG: timeout without command\n", - ap->id); - goto out; - } switch (qc->tf.protocol) { case ATA_PROT_DMA: @@ -889,10 +884,8 @@ static void pdc_eng_timeout(struct ata_p break; } -out: spin_unlock_irqrestore(&host_set->lock, flags); - if (qc) - ata_eh_qc_complete(qc); + ata_eh_qc_complete(qc); DPRINTK("EXIT\n"); } -- 1.0.8