X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=fs%2Fsmbfs%2Fdir.c;h=50136b1a3eca126d92bbb66b94c90a4f7ba0f6ad;hb=2d3466a348a61c4d7f958ce80020eba17c09d7f7;hp=34c7a11d91f0ebbb29854a0116d8c558825fbbbc;hpb=86579dd06deecfa6ac88d5e84e4d63c397cd6f6d;p=linux-2.6-omap-h63xx.git

diff --git a/fs/smbfs/dir.c b/fs/smbfs/dir.c
index 34c7a11d91f..50136b1a3ec 100644
--- a/fs/smbfs/dir.c
+++ b/fs/smbfs/dir.c
@@ -42,7 +42,7 @@ const struct file_operations smb_dir_operations =
 	.open		= smb_dir_open,
 };
 
-struct inode_operations smb_dir_inode_operations =
+const struct inode_operations smb_dir_inode_operations =
 {
 	.create		= smb_create,
 	.lookup		= smb_lookup,
@@ -54,7 +54,7 @@ struct inode_operations smb_dir_inode_operations =
 	.setattr	= smb_notify_change,
 };
 
-struct inode_operations smb_dir_inode_operations_unix =
+const struct inode_operations smb_dir_inode_operations_unix =
 {
 	.create		= smb_create,
 	.lookup		= smb_lookup,
@@ -78,7 +78,7 @@ struct inode_operations smb_dir_inode_operations_unix =
 static int 
 smb_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct dentry *dentry = filp->f_dentry;
+	struct dentry *dentry = filp->f_path.dentry;
 	struct inode *dir = dentry->d_inode;
 	struct smb_sb_info *server = server_from_dentry(dentry);
 	union  smb_dir_cache *cache = NULL;
@@ -238,12 +238,12 @@ out:
 static int
 smb_dir_open(struct inode *dir, struct file *file)
 {
-	struct dentry *dentry = file->f_dentry;
+	struct dentry *dentry = file->f_path.dentry;
 	struct smb_sb_info *server;
 	int error = 0;
 
 	VERBOSE("(%s/%s)\n", dentry->d_parent->d_name.name,
-		file->f_dentry->d_name.name);
+		file->f_path.dentry->d_name.name);
 
 	/*
 	 * Directory timestamps in the core protocol aren't updated
@@ -434,6 +434,11 @@ smb_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
 	if (dentry->d_name.len > SMB_MAXNAMELEN)
 		goto out;
 
+	/* Do not allow lookup of names with backslashes in */
+	error = -EINVAL;
+	if (memchr(dentry->d_name.name, '\\', dentry->d_name.len))
+		goto out;
+
 	lock_kernel();
 	error = smb_proc_getattr(dentry, &finfo);
 #ifdef SMBFS_PARANOIA