diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2008-07-04 05:05:28 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-10-16 20:24:52 +0400 |
| commit | 0b4a4fea253e1296222603ccc55430ed7cd9413a (patch) | |
| tree | 5ce1810393a0f3a48ac208e0dbf994b63a481f18 /lib | |
| parent | 030c1d2bfcc2187650fb975456ca0b61a5bb77f4 (diff) | |
| download | linux-0b4a4fea253e1296222603ccc55430ed7cd9413a.tar.xz | |
kobject: Cleanup kobject_rename and !CONFIG_SYSFS
It finally dawned on me what the clean fix to sysfs_rename_dir
calling kobject_set_name is. Move the work into kobject_rename
where it belongs. The callers serialize us anyway so this is
safe.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/kobject.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/lib/kobject.c b/lib/kobject.c index ae6bb900bfb6..0487d1f64806 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -397,6 +397,7 @@ int kobject_rename(struct kobject *kobj, const char *new_name) { int error = 0; const char *devpath = NULL; + const char *dup_name = NULL, *name; char *devpath_string = NULL; char *envp[2]; @@ -420,15 +421,27 @@ int kobject_rename(struct kobject *kobj, const char *new_name) envp[0] = devpath_string; envp[1] = NULL; + name = dup_name = kstrdup(new_name, GFP_KERNEL); + if (!name) { + error = -ENOMEM; + goto out; + } + error = sysfs_rename_dir(kobj, new_name); + if (error) + goto out; + + /* Install the new kobject name */ + dup_name = kobj->name; + kobj->name = name; /* This function is mostly/only used for network interface. * Some hotplug package track interfaces by their name and * therefore want to know when the name is changed by the user. */ - if (!error) - kobject_uevent_env(kobj, KOBJ_MOVE, envp); + kobject_uevent_env(kobj, KOBJ_MOVE, envp); out: + kfree(dup_name); kfree(devpath_string); kfree(devpath); kobject_put(kobj); |