[patch] cifs: accidentally creating empty files

[Dan Carpenter]

This solves a problem for where a user without write permissions
was creating empty files.  This function was supposed to do a lookup
only, the create happens later.

Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 72d448b..8515afe 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -566,11 +566,13 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
 		if (nd && !(nd->flags & LOOKUP_DIRECTORY) &&
 		     (nd->flags & LOOKUP_OPEN) && !pTcon->broken_posix_open &&
 		     (nd->intent.open.file->f_flags & O_CREAT)) {
+			unsigned int f_flags;
+
+			f_flags = (nd->intent.open.file->f_flags & ~O_CREAT);
 			rc = cifs_posix_open(full_path, &newInode,
 					parent_dir_inode->i_sb,
 					nd->intent.open.create_mode,
-					nd->intent.open.file->f_flags, &oplock,
-					&fileHandle, xid);
+					f_flags, &oplock, &fileHandle, xid);
 			/*
 			 * The check below works around a bug in POSIX
 			 * open in samba versions 3.3.1 and earlier where