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Diffstat (limited to 'fs/sysfs/file.c')
-rw-r--r--fs/sysfs/file.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index b502c7197ec..fd4b6dc03d2 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -444,14 +444,25 @@ int sysfs_add_file(struct dentry * dir, const struct attribute * attr, int type)
{
struct sysfs_dirent * parent_sd = dir->d_fsdata;
umode_t mode = (attr->mode & S_IALLUGO) | S_IFREG;
- int error = -EEXIST;
+ struct sysfs_dirent *sd;
+ int error = 0;
mutex_lock(&dir->d_inode->i_mutex);
- if (!sysfs_dirent_exist(parent_sd, attr->name))
- error = sysfs_make_dirent(parent_sd, NULL, (void *)attr,
- mode, type);
- mutex_unlock(&dir->d_inode->i_mutex);
+ if (sysfs_dirent_exist(parent_sd, attr->name)) {
+ error = -EEXIST;
+ goto out_unlock;
+ }
+
+ sd = sysfs_new_dirent((void *)attr, mode, type);
+ if (!sd) {
+ error = -ENOMEM;
+ goto out_unlock;
+ }
+ sysfs_attach_dirent(sd, parent_sd, NULL);
+
+ out_unlock:
+ mutex_unlock(&dir->d_inode->i_mutex);
return error;
}