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OpenCloudOS-Kernel
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Unify exits in O_CREAT handling 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-12-26 07:09:49 -05:00
parent 9e67f36169
commit 10fa8e62f2
1 changed files with 13 additions and 17 deletions
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30
fs/namei.c
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@ -1821,9 +1821,8 @@ reval:
nd.flags |= LOOKUP_REVAL; nd.flags |= LOOKUP_REVAL;
error = path_walk(pathname, &nd); error = path_walk(pathname, &nd);
if (error) { if (error) {
if (nd.root.mnt) filp = ERR_PTR(error);
path_put(&nd.root); goto out;
return ERR_PTR(error);
} }
if (unlikely(!audit_dummy_context())) if (unlikely(!audit_dummy_context()))
audit_inode(pathname, nd.path.dentry); audit_inode(pathname, nd.path.dentry);
@ -1847,9 +1846,7 @@ reval:
filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname); filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname);
if (!filp) if (!filp)
goto do_link; goto do_link;
if (nd.root.mnt) goto out;
path_put(&nd.root);
return filp;
exit_dput: exit_dput:
path_put_conditional(&path, &nd); path_put_conditional(&path, &nd);
@ -1857,9 +1854,15 @@ exit_dput:
release_open_intent(&nd); release_open_intent(&nd);
exit_parent: exit_parent:
path_put(&nd.path); path_put(&nd.path);
filp = ERR_PTR(error);
out:
if (nd.root.mnt) if (nd.root.mnt)
path_put(&nd.root); path_put(&nd.root);
return ERR_PTR(error); if (filp == ERR_PTR(-ESTALE) && !force_reval) {
force_reval = 1;
goto reval;
}
return filp;
do_link: do_link:
error = -ELOOP; error = -ELOOP;
@ -1887,13 +1890,8 @@ do_link:
* with "intent.open". * with "intent.open".
*/ */
release_open_intent(&nd); release_open_intent(&nd);
if (nd.root.mnt) filp = ERR_PTR(error);
path_put(&nd.root); goto out;
if (error == -ESTALE && !force_reval) {
force_reval = 1;
goto reval;
}
return ERR_PTR(error);
} }
nd.flags &= ~LOOKUP_PARENT; nd.flags &= ~LOOKUP_PARENT;
filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname); filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname);
@ -1901,9 +1899,7 @@ do_link:
__putname(nd.last.name); __putname(nd.last.name);
if (!filp) if (!filp)
goto do_link; goto do_link;
if (nd.root.mnt) goto out;
path_put(&nd.root);
return filp;
} }
/** /**