Mailing List Archive

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);
-
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