From: Dave Jones <davej@redhat.com>
To: Linux Kernel <linux-kernel@vger.kernel.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: hpt366 ptr use before NULL check.
Date: Fri, 3 Sep 2004 22:15:47 +0100 [thread overview]
Message-ID: <20040903211546.GY26419@redhat.com> (raw)
Another picked up with the coverity checker.
Signed-off-by: Dave Jones <davej@redhat.com>
--- linux-2.6.8/drivers/ide/pci/hpt366.c~ 2004-09-03 22:13:46.870500672 +0100
+++ linux-2.6.8/drivers/ide/pci/hpt366.c 2004-09-03 22:14:53.095432952 +0100
@@ -773,13 +773,17 @@
static int hpt3xx_tristate (ide_drive_t * drive, int state)
{
ide_hwif_t *hwif = HWIF(drive);
- struct pci_dev *dev = hwif->pci_dev;
- u8 reg59h = 0, reset = (hwif->channel) ? 0x80 : 0x40;
- u8 regXXh = 0, state_reg= (hwif->channel) ? 0x57 : 0x53;
+ struct pci_dev *dev;
+ u8 reg59h = 0, reset;
+ u8 regXXh = 0, state_reg;
if (!hwif)
return -EINVAL;
+ dev = hwif->pci_dev;
+ reset = (hwif->channel) ? 0x80 : 0x40;
+ state_reg = (hwif->channel) ? 0x57 : 0x53;
+
// hwif->bus_state = state;
pci_read_config_byte(dev, 0x59, ®59h);
next reply other threads:[~2004-09-03 21:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-03 21:15 Dave Jones [this message]
2004-09-03 21:53 ` hpt366 ptr use before NULL check Dave Jones
2004-09-03 22:17 ` Bartlomiej Zolnierkiewicz
2004-09-03 22:28 ` Dave Jones
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