kernel: add a patch to fix a NULL pointer deref in unionfs setattr.

--HG--
branch : gnome3

srcpkgs/kernel/patches/series

@@ -0,0 +1,2 @@
+unionfs-2.5.8_for_2.6.38-rc7.diff.gz
+unionfs-2.5.8-setattr-fixes.patch

srcpkgs/kernel/patches/unionfs-2.5.8-setattr-fixes.patch

@@ -0,0 +1,25 @@
+Adapted for 2.6.38 from http://www.fsl.cs.sunysb.edu/pipermail/unionfs/2011-March/006088.html
+
+--- fs/unionfs/inode.c.orig	2011-03-29 09:19:23.477166008 +0200
++++ fs/unionfs/inode.c	2011-03-29 09:22:02.267303281 +0200
+@@ -936,7 +936,8 @@ static int unionfs_setattr(struct dentry
+ 		err = -EINVAL;
+ 		goto out;
+ 	}
+-	lower_inode = unionfs_lower_inode(inode);
++	lower_inode = lower_dentry->d_inode;
++	BUG_ON(!lower_inode);
+ 
+ 	/* check if user has permission to change lower inode */
+ 	err = inode_change_ok(lower_inode, ia);
+@@ -970,7 +971,9 @@ static int unionfs_setattr(struct dentry
+ 			goto out;
+ 		/* get updated lower_dentry/inode after copyup */
+ 		lower_dentry = unionfs_lower_dentry(dentry);
+-		lower_inode = unionfs_lower_inode(inode);
++		BUG_ON(!lower_inode);
++		lower_inode = lower_dentry->d_inode;
++		BUG_ON(!lower_inode);
+ 	}
+ 
+ 	/*

srcpkgs/kernel/template

@@ -11,7 +11,7 @@ triggers="initramfs-tools"
 nostrip=yes
 noverifyrdeps=yes
 preserve=yes
-#revision=1
+revision=1
 _kernel_headers_revision=${revision}
 if [ -n "${revision}" ]; then
 	_kernver="${version}_${revision}"