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Pull handling of LAST_BIND into do_last(), clean up ok: part in do_filp_open() 

Note that in case of !O_CREAT we know that nd.root has already been given up

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-12-26 07:01:01 -05:00
parent 4296e2cbf2
commit 67ee3ad21d
1 changed files with 6 additions and 11 deletions
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17
fs/namei.c
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@ -1656,6 +1656,9 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
*is_link = 0;
if (nd->last_type == LAST_BIND)
goto ok;
error = -EISDIR;
if (nd->last_type != LAST_NORM || nd->last.name[nd->last.len])
goto exit;
@ -1733,6 +1736,7 @@ static struct file *do_last(struct nameidata *nd, struct path *path,
error = -EISDIR;
if (S_ISDIR(path->dentry->d_inode->i_mode))
goto exit;
ok:
filp = finish_open(nd, open_flag, acc_mode);
return filp;
@ -1808,7 +1812,7 @@ struct file *do_filp_open(int dfd, const char *pathname,
release_open_intent(&nd);
if (error)
return ERR_PTR(error);
goto ok;
return finish_open(&nd, open_flag, acc_mode);
}
/*
@ -1853,21 +1857,14 @@ reval:
path_put(&nd.root);
return filp;
ok:
filp = finish_open(&nd, open_flag, acc_mode);
if (nd.root.mnt)
path_put(&nd.root);
return filp;
exit_dput:
path_put_conditional(&path, &nd);
exit:
if (!IS_ERR(nd.intent.open.file))
release_open_intent(&nd);
exit_parent:
path_put(&nd.path);
if (nd.root.mnt)
path_put(&nd.root);
path_put(&nd.path);
return ERR_PTR(error);
do_link:
@ -1905,8 +1902,6 @@ do_link:
return ERR_PTR(error);
}
nd.flags &= ~LOOKUP_PARENT;
if (nd.last_type == LAST_BIND)
goto ok;
filp = do_last(&nd, &path, open_flag, acc_mode, mode,
pathname, &is_link);
if (nd.last_type == LAST_NORM)