Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bcfef8c3681fa59b653871682956a8fdf5c27c5a Commit: bcfef8c3681fa59b653871682956a8fdf5c27c5a Parent: 0da18e3883d18ac716ad8cc07df9bd30933807ac Author: Jesper Juhl <[EMAIL PROTECTED]> AuthorDate: Fri Sep 28 22:42:09 2007 -0700 Committer: David S. Miller <[EMAIL PROTECTED]> CommitDate: Wed Oct 10 16:53:51 2007 -0700
Avoid possible NULL pointer deref in 3c359 driver In xl_freemem(), if dev_if is NULL, the line struct xl_private *xl_priv =(struct xl_private *)dev->priv; will cause a NULL pointer dereference. (akpm: don't try to fix it: just delete the pointless test-for-null) Signed-off-by: Jesper Juhl <[EMAIL PROTECTED]> Signed-off-by: Andrew Morton <[EMAIL PROTECTED]> Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]> --- drivers/net/tokenring/3c359.c | 5 ----- 1 files changed, 0 insertions(+), 5 deletions(-) diff --git a/drivers/net/tokenring/3c359.c b/drivers/net/tokenring/3c359.c index 88d03c0..7224d36 100644 --- a/drivers/net/tokenring/3c359.c +++ b/drivers/net/tokenring/3c359.c @@ -1045,11 +1045,6 @@ static irqreturn_t xl_interrupt(int irq, void *dev_id) u8 __iomem * xl_mmio = xl_priv->xl_mmio ; u16 intstatus, macstatus ; - if (!dev) { - printk(KERN_WARNING "Device structure dead, aaahhhh !\n") ; - return IRQ_NONE; - } - intstatus = readw(xl_mmio + MMIO_INTSTATUS) ; if (!(intstatus & 1)) /* We didn't generate the interrupt */ - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html