patch-2.4.19 linux-2.4.19/drivers/net/wan/sdla.c

• Lines: 13
• Date: Fri Aug 2 17:39:44 2002
• Orig file: linux-2.4.18/drivers/net/wan/sdla.c
• Orig date: Thu Sep 13 16:04:43 2001

diff -urN linux-2.4.18/drivers/net/wan/sdla.c linux-2.4.19/drivers/net/wan/sdla.c
@@ -1348,8 +1348,10 @@
 		return(-EINVAL);
 
 	dev->base_addr = map->base_addr;
-	request_region(dev->base_addr, SDLA_IO_EXTENTS, dev->name);
-
+	if (!request_region(dev->base_addr, SDLA_IO_EXTENTS, dev->name)){
+		printk(KERN_WARNING "SDLA: io-port 0x%04lx in use \n", dev->base_addr);
+		return(-EINVAL);
+	}
 	/* test for card types, S502A, S502E, S507, S508                 */
 	/* these tests shut down the card completely, so clear the state */
 	flp->type = SDLA_UNKNOWN;