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authorDavid S. Miller <davem@sunset.davemloft.net>2006-10-27 01:03:31 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-10-27 01:03:31 -0700
commitf5ef9d11fd255b30b455d18f8d721bc44cd1296b (patch)
tree61a31b476ac98c05bf0210b169171aa6afb3e007 /arch/sparc
parente80391500078b524083ba51c3df01bbaaecc94bb (diff)
downloadlinux-f5ef9d11fd255b30b455d18f8d721bc44cd1296b.tar.gz
[SPARC]: Fix bus_id[] string overflow.
dp->path_component_name can be larger than ->bus_id[]
so use a different naming scheme for this stuff.

Noticed by Jurij Smakov.

Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/kernel/ebus.c8
-rw-r--r--arch/sparc/kernel/of_device.c2
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c
index 75ac24d229b1..ba58c3a061fd 100644
--- a/arch/sparc/kernel/ebus.c
+++ b/arch/sparc/kernel/ebus.c
@@ -237,12 +237,12 @@ void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *d
 	dev->ofdev.node = dp;
 	dev->ofdev.dev.parent = &dev->bus->ofdev.dev;
 	dev->ofdev.dev.bus = &ebus_bus_type;
-	strcpy(dev->ofdev.dev.bus_id, dp->path_component_name);
+	sprintf(dev->ofdev.dev.bus_id, "ebus[%08x]", dp->node);
 
 	/* Register with core */
 	if (of_device_register(&dev->ofdev) != 0)
 		printk(KERN_DEBUG "ebus: device registration error for %s!\n",
-		       dev->ofdev.dev.bus_id);
+		       dp->path_component_name);
 
 	if ((dp = dp->child) != NULL) {
 		dev->children = (struct linux_ebus_child *)
@@ -332,12 +332,12 @@ void __init ebus_init(void)
 		ebus->ofdev.node = dp;
 		ebus->ofdev.dev.parent = &pdev->dev;
 		ebus->ofdev.dev.bus = &ebus_bus_type;
-		strcpy(ebus->ofdev.dev.bus_id, dp->path_component_name);
+		sprintf(ebus->ofdev.dev.bus_id, "ebus%d", num_ebus);
 
 		/* Register with core */
 		if (of_device_register(&ebus->ofdev) != 0)
 			printk(KERN_DEBUG "ebus: device registration error for %s!\n",
-			       ebus->ofdev.dev.bus_id);
+			       dp->path_component_name);
 
 
 		nd = dp->child;
diff --git a/arch/sparc/kernel/of_device.c b/arch/sparc/kernel/of_device.c
index 74bef2a2d37f..46200c43ffb1 100644
--- a/arch/sparc/kernel/of_device.c
+++ b/arch/sparc/kernel/of_device.c
@@ -651,7 +651,7 @@ build_resources:
 	if (!parent)
 		strcpy(op->dev.bus_id, "root");
 	else
-		strcpy(op->dev.bus_id, dp->path_component_name);
+		sprintf(op->dev.bus_id, "%08x", dp->node);
 
 	if (of_device_register(op)) {
 		printk("%s: Could not register of device.\n",