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Diffstat (limited to 'net/sunrpc/rpc_pipe.c')
-rw-r--r--net/sunrpc/rpc_pipe.c38
1 files changed, 23 insertions, 15 deletions
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index c21dc07f2a8..11ec12a09d7 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -621,17 +621,13 @@ __rpc_rmdir(struct inode *dir, struct dentry *dentry)
}
static struct dentry *
-rpc_lookup_negative(char *path, struct nameidata *nd)
+rpc_lookup_create(struct dentry *parent, const char *name, int len)
{
+ struct inode *dir = parent->d_inode;
struct dentry *dentry;
- struct inode *dir;
- int error;
- if ((error = rpc_lookup_parent(path, nd)) != 0)
- return ERR_PTR(error);
- dir = nd->dentry->d_inode;
mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
- dentry = lookup_one_len(nd->last.name, nd->dentry, nd->last.len);
+ dentry = lookup_one_len(name, parent, len);
if (IS_ERR(dentry))
goto out_err;
if (dentry->d_inode) {
@@ -642,7 +638,20 @@ rpc_lookup_negative(char *path, struct nameidata *nd)
return dentry;
out_err:
mutex_unlock(&dir->i_mutex);
- rpc_release_path(nd);
+ return dentry;
+}
+
+static struct dentry *
+rpc_lookup_negative(char *path, struct nameidata *nd)
+{
+ struct dentry *dentry;
+ int error;
+
+ if ((error = rpc_lookup_parent(path, nd)) != 0)
+ return ERR_PTR(error);
+ dentry = rpc_lookup_create(nd->dentry, nd->last.name, nd->last.len);
+ if (IS_ERR(dentry))
+ rpc_release_path(nd);
return dentry;
}
@@ -701,17 +710,16 @@ rpc_rmdir(struct dentry *dentry)
}
struct dentry *
-rpc_mkpipe(char *path, void *private, struct rpc_pipe_ops *ops, int flags)
+rpc_mkpipe(struct dentry *parent, const char *name, void *private, struct rpc_pipe_ops *ops, int flags)
{
- struct nameidata nd;
struct dentry *dentry;
struct inode *dir, *inode;
struct rpc_inode *rpci;
- dentry = rpc_lookup_negative(path, &nd);
+ dentry = rpc_lookup_create(parent, name, strlen(name));
if (IS_ERR(dentry))
return dentry;
- dir = nd.dentry->d_inode;
+ dir = parent->d_inode;
inode = rpc_get_inode(dir->i_sb, S_IFSOCK | S_IRUSR | S_IWUSR);
if (!inode)
goto err_dput;
@@ -726,13 +734,13 @@ rpc_mkpipe(char *path, void *private, struct rpc_pipe_ops *ops, int flags)
dget(dentry);
out:
mutex_unlock(&dir->i_mutex);
- rpc_release_path(&nd);
return dentry;
err_dput:
dput(dentry);
dentry = ERR_PTR(-ENOMEM);
- printk(KERN_WARNING "%s: %s() failed to create pipe %s (errno = %d)\n",
- __FILE__, __FUNCTION__, path, -ENOMEM);
+ printk(KERN_WARNING "%s: %s() failed to create pipe %s/%s (errno = %d)\n",
+ __FILE__, __FUNCTION__, parent->d_name.name, name,
+ -ENOMEM);
goto out;
}