Messages in this thread Patch in this message | | | From | Mark Fasheh <> | Subject | [PATCH 50/62] sysfs: Allow removal of symlinks in the sysfs root | Date | Wed, 2 Apr 2008 13:15:00 -0700 |
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Allow callers of sysfs_remove_link() to pass a NULL kobj, in which case sysfs_root will be used as the parent directory. This allows us to tear down top level symlinks created via sysfs_create_link(), which already has similar handling of a NULL parent object.
Signed-off-by: Mark Fasheh <mfasheh@suse.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> --- fs/sysfs/symlink.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c index 5f66c44..817f596 100644 --- a/fs/sysfs/symlink.c +++ b/fs/sysfs/symlink.c @@ -87,7 +87,14 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char void sysfs_remove_link(struct kobject * kobj, const char * name) { - sysfs_hash_and_remove(kobj->sd, name); + struct sysfs_dirent *parent_sd = NULL; + + if (!kobj) + parent_sd = &sysfs_root; + else + parent_sd = kobj->sd; + + sysfs_hash_and_remove(parent_sd, name); } static int sysfs_get_target_path(struct sysfs_dirent *parent_sd, -- 1.5.4.1
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