From: Kris Van Hees <aedil@alchar.org>
Date: Wed, 25 Aug 2004 08:04:05 +0000 (+0000)
Subject: STABLE14-initialize-i-security-20040816
X-Git-Tag: openafs-devel-1_3_71~19
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=520573cffa48e5701a46ce81f552df71ed2da5c5;p=packages%2Fo%2Fopenafs.git

STABLE14-initialize-i-security-20040816


modern 2.6 kernels with i_security need this such that if the i_security field got garbage-collected out from under us we don't deref a null pointer.


(cherry picked from commit e6c7148abed9f88d6dd83ce8dba77a434cce231a)
---

diff --git a/src/afs/LINUX/osi_vnodeops.c b/src/afs/LINUX/osi_vnodeops.c
index ab516a17c..8c69a2af1 100644
--- a/src/afs/LINUX/osi_vnodeops.c
+++ b/src/afs/LINUX/osi_vnodeops.c
@@ -1085,6 +1085,12 @@ afs_linux_lookup(struct inode *dip, struct dentry *dp)
 	    printk
 		("afs_linux_lookup: ip->i_mode 0x%x  dp->d_name.name %s  code %d\n",
 		 ip->i_mode, dp->d_name.name, code);
+#ifdef STRUCT_INODE_HAS_I_SECURITY
+       if (ip->i_security == NULL) {
+           if (security_inode_alloc(ip))
+               panic("afs_linux_lookup: Cannot allocate inode security");
+       }
+#endif
 #else
 	if (S_ISDIR(ip->i_mode))
 	    ip->i_op = &afs_dir_iops;