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Message-ID: <20070205191321.GA12839@cvg>
Date: Mon, 5 Feb 2007 22:13:21 +0300
From: "Cyrill V. Gorcunov" <gorcunov@...il.com>
To: Sam Creasey <sammy@...my.net>
Cc: linux-kernel-list <linux-kernel@...r.kernel.org>
Subject: [PATCH] SUN3/3X Lance trivial fix
This patch adds checking for allocated DVMA
memory and granted IRQ line.
Signed-off-by: Cyrill V. Gorcunov <gorcunov@...il.com>
---
drivers/net/sun3lance.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c
index c62e85d..e4c2c88 100644
--- a/drivers/net/sun3lance.c
+++ b/drivers/net/sun3lance.c
@@ -336,13 +336,20 @@ static int __init lance_probe( struct net_device *dev)
/* 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;
-
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