diff options
Diffstat (limited to 'fs/debugfs/inode.c')
| -rw-r--r-- | fs/debugfs/inode.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index c35249497b9b..22e86ae4dd5a 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -298,7 +298,7 @@ struct dentry *debugfs_lookup(const char *name, struct dentry *parent) { struct dentry *dentry; - if (IS_ERR(parent)) + if (!debugfs_initialized() || IS_ERR_OR_NULL(name) || IS_ERR(parent)) return NULL; if (!parent) @@ -319,6 +319,9 @@ static struct dentry *start_creating(const char *name, struct dentry *parent) if (!(debugfs_allow & DEBUGFS_ALLOW_API)) return ERR_PTR(-EPERM); + if (!debugfs_initialized()) + return ERR_PTR(-ENOENT); + pr_debug("creating file '%s'\n", name); if (IS_ERR(parent)) |