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-rw-r--r--fs/namei.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 32fd9655485b..c7e43536c49a 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2003,18 +2003,22 @@ struct dentry *lookup_create(struct nameidata *nd, int is_dir)
2003 if (IS_ERR(dentry)) 2003 if (IS_ERR(dentry))
2004 goto fail; 2004 goto fail;
2005 2005
2006 if (dentry->d_inode)
2007 goto eexist;
2006 /* 2008 /*
2007 * Special case - lookup gave negative, but... we had foo/bar/ 2009 * Special case - lookup gave negative, but... we had foo/bar/
2008 * From the vfs_mknod() POV we just have a negative dentry - 2010 * From the vfs_mknod() POV we just have a negative dentry -
2009 * all is fine. Let's be bastards - you had / on the end, you've 2011 * all is fine. Let's be bastards - you had / on the end, you've
2010 * been asking for (non-existent) directory. -ENOENT for you. 2012 * been asking for (non-existent) directory. -ENOENT for you.
2011 */ 2013 */
2012 if (!is_dir && nd->last.name[nd->last.len] && !dentry->d_inode) 2014 if (unlikely(!is_dir && nd->last.name[nd->last.len])) {
2013 goto enoent; 2015 dput(dentry);
2016 dentry = ERR_PTR(-ENOENT);
2017 }
2014 return dentry; 2018 return dentry;
2015enoent: 2019eexist:
2016 dput(dentry); 2020 dput(dentry);
2017 dentry = ERR_PTR(-ENOENT); 2021 dentry = ERR_PTR(-EEXIST);
2018fail: 2022fail:
2019 return dentry; 2023 return dentry;
2020} 2024}