diff options
Diffstat (limited to 'fs/kernfs/mount.c')
| -rw-r--r-- | fs/kernfs/mount.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c index fdf527b6d79c..f3ac352699cf 100644 --- a/fs/kernfs/mount.c +++ b/fs/kernfs/mount.c @@ -20,7 +20,7 @@ #include "kernfs-internal.h" -struct kmem_cache *kernfs_node_cache; +struct kmem_cache *kernfs_node_cache, *kernfs_iattrs_cache; static int kernfs_sop_remount_fs(struct super_block *sb, int *flags, char *data) { @@ -196,8 +196,10 @@ struct dentry *kernfs_node_dentry(struct kernfs_node *kn, return dentry; knparent = find_next_ancestor(kn, NULL); - if (WARN_ON(!knparent)) + if (WARN_ON(!knparent)) { + dput(dentry); return ERR_PTR(-EINVAL); + } do { struct dentry *dtmp; @@ -206,8 +208,10 @@ struct dentry *kernfs_node_dentry(struct kernfs_node *kn, if (kn == knparent) return dentry; kntmp = find_next_ancestor(kn, knparent); - if (WARN_ON(!kntmp)) + if (WARN_ON(!kntmp)) { + dput(dentry); return ERR_PTR(-EINVAL); + } dtmp = lookup_one_len_unlocked(kntmp->name, dentry, strlen(kntmp->name)); dput(dentry); @@ -417,4 +421,9 @@ void __init kernfs_init(void) 0, SLAB_PANIC | SLAB_TYPESAFE_BY_RCU, NULL); + + /* Creates slab cache for kernfs inode attributes */ + kernfs_iattrs_cache = kmem_cache_create("kernfs_iattrs_cache", + sizeof(struct kernfs_iattrs), + 0, SLAB_PANIC, NULL); } |