Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=34358c26a2c96b2a068dc44e0ac602106a466bce
Commit: 34358c26a2c96b2a068dc44e0ac602106a466bce
Parent: fcd239d3d5575e5cc63aab5c33cf6dc66904f6d6
Author: Greg Kroah-Hartman <[EMAIL PROTECTED]>
AuthorDate: Wed Oct 24 16:52:31 2007 -0700
Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]>
CommitDate: Tue Oct 30 21:52:33 2007 -0700
kobject: check for duplicate names in kobject_rename
This should catch any duplicate names before we try to tell sysfs to
rename the object. This happens a lot with older versions of udev and
the network rename scripts.
Cc: David Miller <[EMAIL PROTECTED]>
Cc: Kay Sievers <[EMAIL PROTECTED]>
Cc: Rafael J. Wysocki <[EMAIL PROTECTED]>
Cc: Tejun Heo <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
lib/kobject.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/lib/kobject.c b/lib/kobject.c
index 03d4036..a7e3bf4 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -308,6 +308,19 @@ int kobject_rename(struct kobject * kobj, const char
*new_name)
if (!kobj->parent)
return -EINVAL;
+ /* see if this name is already in use */
+ if (kobj->kset) {
+ struct kobject *temp_kobj;
+ temp_kobj = kset_find_obj(kobj->kset, new_name);
+ if (temp_kobj) {
+ printk(KERN_WARNING "kobject '%s' can not be renamed "
+ "to '%s' as '%s' is already in existance.\n",
+ kobject_name(kobj), new_name, new_name);
+ kobject_put(temp_kobj);
+ return -EINVAL;
+ }
+ }
+
devpath = kobject_get_path(kobj, GFP_KERNEL);
if (!devpath) {
error = -ENOMEM;
-
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