[CIFS] Fix CIFS readdir access denied when SE Linux enabled
CIFS had one path in which dentry was instantiated before the corresponding
inode metadata was filled in.
Fixes Redhat bugzilla bug #163493
Signed-off-by: Steve French <sfrench@us.ibm.com>
Acked-by: Eric Paris <eparis@redhat.com>
Acked-by: Dave Kleikamp <shaggy@austin.ibm.com>
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 105761e..9aeb58a 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -82,7 +82,6 @@
if(*ptmp_inode == NULL)
return rc;
rc = 1;
- d_instantiate(tmp_dentry, *ptmp_inode);
}
} else {
tmp_dentry = d_alloc(file->f_dentry, qstring);
@@ -99,9 +98,7 @@
tmp_dentry->d_op = &cifs_dentry_ops;
if(*ptmp_inode == NULL)
return rc;
- rc = 1;
- d_instantiate(tmp_dentry, *ptmp_inode);
- d_rehash(tmp_dentry);
+ rc = 2;
}
tmp_dentry->d_time = jiffies;
@@ -870,6 +867,12 @@
pfindEntry, &obj_type, rc);
else
fill_in_inode(tmp_inode, 1 /* NT */, pfindEntry, &obj_type, rc);
+
+ if(rc) /* new inode - needs to be tied to dentry */ {
+ d_instantiate(tmp_dentry, tmp_inode);
+ if(rc == 2)
+ d_rehash(tmp_dentry);
+ }
rc = filldir(direntry,qstring.name,qstring.len,file->f_pos,