SUN3/3X Lance trivial fix improved
This patch adds checking for allocated DVMA memory and granted IRQ line.
Signed-off-by: Cyrill V. Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c
index c62e85d..7bee45b 100644
--- a/drivers/net/sun3lance.c
+++ b/drivers/net/sun3lance.c
@@ -336,13 +336,27 @@
/* XXX - leak? */
MEM = dvma_malloc_align(sizeof(struct lance_memory), 0x10000);
+ if (MEM == NULL) {
+#ifdef CONFIG_SUN3
+ iounmap((void __iomem *)ioaddr);
+#endif
+ 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) {
+#ifdef CONFIG_SUN3
+ iounmap((void __iomem *)ioaddr);
+#endif
+ dvma_free((void *)MEM);
+ printk(KERN_WARNING "SUN3 Lance unable to allocate IRQ\n");
+ return 0;
+ }
dev->irq = (unsigned short)LANCE_IRQ;