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Fix a potential NULL pointer dereference in uli526x_interrupt() in drivers/net/tulip/uli526x.c 

This patch fixes an apparent potential null dereference bug where we
dereference dev before a null check.  This patch simply remvoes the
can't-happen test for a null pointer.

Signed-off-by: Micah Gruber <micah.gruber@gmail.com>
Cc: Grant Grundler <grundler@parisc-linux.org>
Acked-by: Jeff Garzik <jeff@garzik.org>
Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
hifive-unleashed-5.1
Micah Gruber 2007-09-28 22:42:11 -07:00 committed by David S. Miller
parent 13f7b8c011
commit 1f8f4559f8
1 changed files with 0 additions and 5 deletions
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5
drivers/net/tulip/uli526x.c
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@ -664,11 +664,6 @@ static irqreturn_t uli526x_interrupt(int irq, void *dev_id)
unsigned long ioaddr = dev->base_addr;
unsigned long flags;
if (!dev) {
ULI526X_DBUG(1, "uli526x_interrupt() without DEVICE arg", 0);
return IRQ_NONE;
}
spin_lock_irqsave(&db->lock, flags);
outl(0, ioaddr + DCR7);