Subject: [PATCH] SUN3/3X Lance trivial fix

From: Cyrill V. Gorcunov <gorcunov@gmail.com>

This patch adds checking for allocated DVMA
memory and granted IRQ line.

Signed-off-by: Cyrill V. Gorcunov <gorcunov@gmail.com>
Acked-by: Sam Creasey <sammy@sammy.net>

Index: linux-2.6/drivers/net/sun3lance.c
===================================================================
--- linux-2.6.orig/drivers/net/sun3lance.c	2007-02-17 17:26:29.000000000 +0100
+++ linux-2.6/drivers/net/sun3lance.c	2007-02-17 17:26:47.000000000 +0100
@@ -336,13 +336,20 @@
 
 	/* XXX - leak? */
 	MEM = dvma_malloc_align(sizeof(struct lance_memory), 0x10000);
+	if (MEM == NULL) {
+		printk(KERN_WARNING "SUN3 Lance couldn't allocate DVMA memory\n");
+		return 0;
+	}
 
 	lp->iobase = (volatile unsigned short *)ioaddr;
 	dev->base_addr = (unsigned long)ioaddr; /* informational only */
 
 	REGA(CSR0) = CSR0_STOP;
 
-	request_irq(LANCE_IRQ, lance_interrupt, IRQF_DISABLED, "SUN3 Lance", dev);
+	if (request_irq(LANCE_IRQ, lance_interrupt, IRQF_DISABLED, "SUN3 Lance", dev) < 0) {
+		printk(KERN_WARNING "SUN3 Lance unable to allocate IRQ\n");
+		return 0;
+	}
 	dev->irq = (unsigned short)LANCE_IRQ;