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[PATCH] assorted path_lookup() -> kern_path() conversions

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more nameidata eviction

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2008-08-02 01:04:36 -04:00
parent a63bb99660
commit 421748ecde
4 changed files with 34 additions and 37 deletions
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18
net/unix/af_unix.c
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@@ -711,28 +711,30 @@ static struct sock *unix_find_other(struct net *net,
int type, unsigned hash, int *error)
{
struct sock *u;
struct nameidata nd;
struct path path;
int err = 0;
if (sunname->sun_path[0]) {
err = path_lookup(sunname->sun_path, LOOKUP_FOLLOW, &nd);
struct inode *inode;
err = kern_path(sunname->sun_path, LOOKUP_FOLLOW, &path);
if (err)
goto fail;
err = vfs_permission(&nd, MAY_WRITE);
inode = path.dentry->d_inode;
err = inode_permission(inode, MAY_WRITE);
if (err)
goto put_fail;
err = -ECONNREFUSED;
if (!S_ISSOCK(nd.path.dentry->d_inode->i_mode))
if (!S_ISSOCK(inode->i_mode))
goto put_fail;
u = unix_find_socket_byinode(net, nd.path.dentry->d_inode);
u = unix_find_socket_byinode(net, inode);
if (!u)
goto put_fail;
if (u->sk_type == type)
touch_atime(nd.path.mnt, nd.path.dentry);
touch_atime(path.mnt, path.dentry);
path_put(&nd.path);
path_put(&path);
err=-EPROTOTYPE;
if (u->sk_type != type) {
@@ -753,7 +755,7 @@ static struct sock *unix_find_other(struct net *net,
return u;
put_fail:
path_put(&nd.path);
path_put(&path);
fail:
*error=err;
return NULL;