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| author |   Tejun Heo <htejun@gmail.com> | 2007-08-02 21:38:03 +0900 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2007-10-12 14:51:04 -0700 |
| commit | 23dc279950a056c33a14d09cf759f5173d41abd9 (patch) | |
| tree | 852f8cc24c24988717dbae8f98da999ff27755fa /fs/sysfs/symlink.c | |
| parent | sysfs: make sysfs_add/remove_one() call link/unlink_sibling() implictly (diff) | |
| download | linux-dev-23dc279950a056c33a14d09cf759f5173d41abd9.tar.xz linux-dev-23dc279950a056c33a14d09cf759f5173d41abd9.zip | |
sysfs: make sysfs_add_one() automatically check for duplicate entry
Make sysfs_add_one() check for duplicate entry and return -EEXIST if
such entry exists. This simplifies node addition code a bit.
This patch doesn't introduce any noticeable behavior change.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/sysfs/symlink.c')
| -rw-r--r-- | fs/sysfs/symlink.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c index c129f307936a..a6b13f12b0e7 100644 --- a/fs/sysfs/symlink.c +++ b/fs/sysfs/symlink.c @@ -91,14 +91,11 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char target_sd = NULL; /* reference is now owned by the symlink */ sysfs_addrm_start(&acxt, parent_sd); + error = sysfs_add_one(&acxt, sd); + sysfs_addrm_finish(&acxt); - if (!sysfs_find_dirent(parent_sd, name)) - sysfs_add_one(&acxt, sd); - - if (!sysfs_addrm_finish(&acxt)) { - error = -EEXIST; + if (error) goto out_put; - } return 0; |