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path: root/fs/sysfs/symlink.c
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Diffstat (limited to 'fs/sysfs/symlink.c')
-rw-r--r--fs/sysfs/symlink.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index 683316f..2f86e04 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -55,6 +55,7 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char
struct sysfs_dirent *parent_sd = NULL;
struct sysfs_dirent *target_sd = NULL;
struct sysfs_dirent *sd = NULL;
+ struct sysfs_addrm_cxt acxt;
int error;
BUG_ON(!name);
@@ -87,17 +88,18 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char
goto out_put;
sd->s_elem.symlink.target_sd = target_sd;
- mutex_lock(&sysfs_mutex);
- error = -EEXIST;
- if (sysfs_find_dirent(parent_sd, name))
- goto out_unlock;
- sysfs_attach_dirent(sd, parent_sd, NULL);
- mutex_unlock(&sysfs_mutex);
+ sysfs_addrm_start(&acxt, parent_sd);
- return 0;
+ if (!sysfs_find_dirent(parent_sd, name)) {
+ sysfs_add_one(&acxt, sd);
+ sysfs_link_sibling(sd);
+ }
- out_unlock:
- mutex_unlock(&sysfs_mutex);
+ if (sysfs_addrm_finish(&acxt))
+ return 0;
+
+ error = -EEXIST;
+ /* fall through */
out_put:
sysfs_put(target_sd);
sysfs_put(sd);