[git patch] libata fix
DORMANTno replies
From: Jeff Garzik <hidden>
Date: 2006-03-13 00:29:15
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Subsystem:
scsi subsystem, the rest · Maintainers:
"James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
Please pull from 'upstream-fixes' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git
to receive the following updates:
drivers/scsi/ahci.c | 14 ++++----------
1 files changed, 4 insertions(+), 10 deletions(-)
Tejun Heo:
ahci: fix NULL pointer dereference detected by Coverity
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index a800fb5..559ff7a 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c@@ -742,23 +742,17 @@ static irqreturn_t ahci_interrupt (int i struct ata_queued_cmd *qc; qc = ata_qc_from_tag(ap, ap->active_tag); if (!ahci_host_intr(ap, qc)) - if (ata_ratelimit()) { - struct pci_dev *pdev = - to_pci_dev(ap->host_set->dev); - dev_printk(KERN_WARNING, &pdev->dev, + if (ata_ratelimit()) + dev_printk(KERN_WARNING, host_set->dev, "unhandled interrupt on port %u\n", i); - } VPRINTK("port %u\n", i); } else { VPRINTK("port %u (no irq)\n", i); - if (ata_ratelimit()) { - struct pci_dev *pdev = - to_pci_dev(ap->host_set->dev); - dev_printk(KERN_WARNING, &pdev->dev, + if (ata_ratelimit()) + dev_printk(KERN_WARNING, host_set->dev, "interrupt on disabled port %u\n", i); - } } irq_ack |= (1 << i);