Kill is_link argument of do_last()

We set it to 1 iff we return NULL

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/namei.c b/fs/namei.c
index 0b4d19d..b0c74fe 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1647,15 +1647,12 @@ exit:
 
 static struct file *do_last(struct nameidata *nd, struct path *path,
                            int open_flag, int acc_mode,
-                           int mode, const char *pathname,
-                           int *is_link)
+                           int mode, const char *pathname)
 {
        struct dentry *dir = nd->path.dentry;
        struct file *filp;
        int error;
 
-       *is_link = 0;
-
        if (nd->last_type == LAST_BIND)
                goto ok;
 
@@ -1727,10 +1724,9 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
        error = -ENOENT;
        if (!path->dentry->d_inode)
                goto exit_dput;
-       if (path->dentry->d_inode->i_op->follow_link) {
-               *is_link = 1;
+
+       if (path->dentry->d_inode->i_op->follow_link)
                return NULL;
-       }
 
        path_to_nameidata(path, nd);
        error = -EISDIR;
@@ -1766,7 +1762,6 @@ struct file *do_filp_open(int dfd, const char *pathname,
        int count = 0;
        int flag = open_to_namei_flags(open_flag);
        int force_reval = 0;
-       int is_link;
 
        /*
         * O_SYNC is implemented as __O_SYNC|O_DSYNC.  As many places only
@@ -1849,9 +1844,8 @@ reval:
        nd.flags |= LOOKUP_CREATE | LOOKUP_OPEN;
        if (open_flag & O_EXCL)
                nd.flags |= LOOKUP_EXCL;
-       filp = do_last(&nd, &path, open_flag, acc_mode, mode,
-                      pathname, &is_link);
-       if (is_link)
+       filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname);
+       if (!filp)
                goto do_link;
        if (nd.root.mnt)
                path_put(&nd.root);
@@ -1902,11 +1896,10 @@ do_link:
                return ERR_PTR(error);
        }
        nd.flags &= ~LOOKUP_PARENT;
-       filp = do_last(&nd, &path, open_flag, acc_mode, mode,
-                      pathname, &is_link);
+       filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname);
        if (nd.last_type == LAST_NORM)
                __putname(nd.last.name);
-       if (is_link)
+       if (!filp)
                goto do_link;
        if (nd.root.mnt)
                path_put(&nd.root);