diff --git a/lustre/kernel_patches/patches/vfs_intent-2.4.18-18-chaos65.patch b/lustre/kernel_patches/patches/vfs_intent-2.4.18-18-chaos65.patch
index 7f16189f7b721505a5b5430a6fa53877afe99945..2efed4f46f7bb03a80c50d0519a10486eccd6d21 100644
--- a/lustre/kernel_patches/patches/vfs_intent-2.4.18-18-chaos65.patch
+++ b/lustre/kernel_patches/patches/vfs_intent-2.4.18-18-chaos65.patch
@@ -467,11 +467,11 @@
+ &dentry->d_name, 0, NULL);
+ d_invalidate(dentry);
+ dput(dentry);
-+ if (IS_ERR(new)) {
-+ err = PTR_ERR(new);
-+ break;
-+ }
-+ nd->dentry = new;
++ if (IS_ERR(new)) {
++ err = PTR_ERR(new);
++ break;
++ }
++ nd->dentry = new;
+ }
+ }
+ else if (dentry && dentry->d_op && dentry->d_op->d_revalidate){
diff --git a/lustre/kernel_patches/patches/vfs_intent-2.4.19-pre1.patch b/lustre/kernel_patches/patches/vfs_intent-2.4.19-pre1.patch
index 43abf92c185c3a6ec762b806523aeeb48c107da6..98fd55045eb469ea40b3f2b142f68fbb306e7319 100644
--- a/lustre/kernel_patches/patches/vfs_intent-2.4.19-pre1.patch
+++ b/lustre/kernel_patches/patches/vfs_intent-2.4.19-pre1.patch
@@ -1621,9 +1621,9 @@ Index: linux-2.4.19-pre1/include/linux/dcache.h
+ void (*d_unpin)(struct dentry *, struct vfsmount *, int);
};
-+#define PIN(de,mnt,flag) if (de->d_op && de->d_op->d_pin) \
++#define PIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_pin) \
+ de->d_op->d_pin(de, mnt, flag);
-+#define UNPIN(de,mnt,flag) if (de->d_op && de->d_op->d_unpin) \
++#define UNPIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_unpin) \
+ de->d_op->d_unpin(de, mnt, flag);
+
+
diff --git a/lustre/kernel_patches/patches/vfs_intent-2.4.19-suse.patch b/lustre/kernel_patches/patches/vfs_intent-2.4.19-suse.patch
index 4e37bb8b9c9c20b982ec41d4cf31214754799269..b49babdb86f7377a1eb7ff2a31c8b61af83cb484 100644
--- a/lustre/kernel_patches/patches/vfs_intent-2.4.19-suse.patch
+++ b/lustre/kernel_patches/patches/vfs_intent-2.4.19-suse.patch
@@ -1601,9 +1601,9 @@ Index: linux-2.4.19.SuSE/include/linux/dcache.h
+ void (*d_unpin)(struct dentry *, struct vfsmount *, int);
};
-+#define PIN(de,mnt,flag) if (de->d_op && de->d_op->d_pin) \
++#define PIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_pin) \
+ de->d_op->d_pin(de, mnt, flag);
-+#define UNPIN(de,mnt,flag) if (de->d_op && de->d_op->d_unpin) \
++#define UNPIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_unpin) \
+ de->d_op->d_unpin(de, mnt, flag);
+
+
diff --git a/lustre/kernel_patches/patches/vfs_intent-2.4.20-hp.patch b/lustre/kernel_patches/patches/vfs_intent-2.4.20-hp.patch
index 8cd36571718afda52c48d6f2712889d8b80ce905..a632e000a74105b33066e9874bbdff361b5483e1 100644
--- a/lustre/kernel_patches/patches/vfs_intent-2.4.20-hp.patch
+++ b/lustre/kernel_patches/patches/vfs_intent-2.4.20-hp.patch
@@ -1675,9 +1675,9 @@
+ void (*d_unpin)(struct dentry *, struct vfsmount *, int);
};
-+#define PIN(de,mnt,flag) if (de->d_op && de->d_op->d_pin) \
++#define PIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_pin) \
+ de->d_op->d_pin(de, mnt, flag);
-+#define UNPIN(de,mnt,flag) if (de->d_op && de->d_op->d_unpin) \
++#define UNPIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_unpin) \
+ de->d_op->d_unpin(de, mnt, flag);
+
+
diff --git a/lustre/kernel_patches/patches/vfs_intent-2.4.20-rh.patch b/lustre/kernel_patches/patches/vfs_intent-2.4.20-rh.patch
index 7334495679b550ea9e5ea979336f330e0a95bc3f..f9096db9eb73f579debc8042d268e303c8bb1ee7 100644
--- a/lustre/kernel_patches/patches/vfs_intent-2.4.20-rh.patch
+++ b/lustre/kernel_patches/patches/vfs_intent-2.4.20-rh.patch
@@ -374,11 +374,11 @@
+ &dentry->d_name, 0, NULL);
+ d_invalidate(dentry);
+ dput(dentry);
-+ if (IS_ERR(new)) {
-+ err = PTR_ERR(new);
-+ break;
-+ }
-+ nd->dentry = new;
++ if (IS_ERR(new)) {
++ err = PTR_ERR(new);
++ break;
++ }
++ nd->dentry = new;
+ }
+ } else
if (dentry && dentry->d_op && dentry->d_op->d_revalidate) {
@@ -1473,8 +1473,8 @@
{
struct inode * inode = dentry->d_inode;
- if (inode->i_op && inode->i_op->revalidate)
-+ if (!inode)
-+ return -ENOENT;
++ if (!inode)
++ return -ENOENT;
+ if (inode->i_op && inode->i_op->revalidate_it)
+ return inode->i_op->revalidate_it(dentry, it);
+ else if (inode->i_op && inode->i_op->revalidate)
@@ -1608,9 +1608,9 @@
+ void (*d_unpin)(struct dentry *, struct vfsmount *, int);
};
-+#define PIN(de,mnt,flag) if (de->d_op && de->d_op->d_pin) \
++#define PIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_pin) \
+ de->d_op->d_pin(de, mnt, flag);
-+#define UNPIN(de,mnt,flag) if (de->d_op && de->d_op->d_unpin) \
++#define UNPIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_unpin) \
+ de->d_op->d_unpin(de, mnt, flag);
+
+
diff --git a/lustre/kernel_patches/patches/vfs_intent-2.4.20-vanilla.patch b/lustre/kernel_patches/patches/vfs_intent-2.4.20-vanilla.patch
index 3eca972e5fcbc994139a1c52ab9280556d8eb55a..c4c79b1a6ba3166cfe0794146dbff5b508364441 100644
--- a/lustre/kernel_patches/patches/vfs_intent-2.4.20-vanilla.patch
+++ b/lustre/kernel_patches/patches/vfs_intent-2.4.20-vanilla.patch
@@ -419,11 +419,11 @@
+ &dentry->d_name, 0, NULL);
+ d_invalidate(dentry);
+ dput(dentry);
-+ if (IS_ERR(new)) {
-+ err = PTR_ERR(new);
-+ break;
-+ }
-+ nd->dentry = new;
++ if (IS_ERR(new)) {
++ err = PTR_ERR(new);
++ break;
++ }
++ nd->dentry = new;
+ }
+ } else
if (dentry && dentry->d_op && dentry->d_op->d_revalidate) {
@@ -1583,9 +1583,9 @@
+ void (*d_unpin)(struct dentry *, struct vfsmount *, int);
};
-+#define PIN(de,mnt,flag) if (de->d_op && de->d_op->d_pin) \
++#define PIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_pin) \
+ de->d_op->d_pin(de, mnt, flag);
-+#define UNPIN(de,mnt,flag) if (de->d_op && de->d_op->d_unpin) \
++#define UNPIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_unpin) \
+ de->d_op->d_unpin(de, mnt, flag);
+
+
diff --git a/lustre/kernel_patches/patches/vfs_intent-2.4.21-chaos.patch b/lustre/kernel_patches/patches/vfs_intent-2.4.21-chaos.patch
index 6affaedee941baf06b1e1cb1017f7e5726f14f2e..1ceb50d17c65311588bdd390d7eb4189ca7fc276 100644
--- a/lustre/kernel_patches/patches/vfs_intent-2.4.21-chaos.patch
+++ b/lustre/kernel_patches/patches/vfs_intent-2.4.21-chaos.patch
@@ -1605,9 +1605,9 @@ Index: linux-2.4.21-chaos/include/linux/dcache.h
+ void (*d_unpin)(struct dentry *, struct vfsmount *, int);
};
-+#define PIN(de,mnt,flag) if (de->d_op && de->d_op->d_pin) \
++#define PIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_pin) \
+ de->d_op->d_pin(de, mnt, flag);
-+#define UNPIN(de,mnt,flag) if (de->d_op && de->d_op->d_unpin) \
++#define UNPIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_unpin) \
+ de->d_op->d_unpin(de, mnt, flag);
+
+
diff --git a/lustre/kernel_patches/patches/vfs_intent-2.4.21-suse2.patch b/lustre/kernel_patches/patches/vfs_intent-2.4.21-suse2.patch
index 1e78f10ddf76b0d04b656b7a33d12ac8f9ae34df..98c6c378002b1771fc6534928a5cdd9c6d2f27d2 100644
--- a/lustre/kernel_patches/patches/vfs_intent-2.4.21-suse2.patch
+++ b/lustre/kernel_patches/patches/vfs_intent-2.4.21-suse2.patch
@@ -1613,9 +1613,9 @@ Index: linux-2.4.21-suse2/include/linux/dcache.h
+ void (*d_unpin)(struct dentry *, struct vfsmount *, int);
};
-+#define PIN(de,mnt,flag) if (de->d_op && de->d_op->d_pin) \
++#define PIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_pin) \
+ de->d_op->d_pin(de, mnt, flag);
-+#define UNPIN(de,mnt,flag) if (de->d_op && de->d_op->d_unpin) \
++#define UNPIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_unpin) \
+ de->d_op->d_unpin(de, mnt, flag);
+
+
diff --git a/lustre/kernel_patches/patches/vfs_intent-2.4.22-rh.patch b/lustre/kernel_patches/patches/vfs_intent-2.4.22-rh.patch
index 5f266a8673c8c9b69491a17b567f743eba6afb29..ace8619f43efb07e11e9e8d018b9c8e38a1588ef 100644
--- a/lustre/kernel_patches/patches/vfs_intent-2.4.22-rh.patch
+++ b/lustre/kernel_patches/patches/vfs_intent-2.4.22-rh.patch
@@ -1583,9 +1583,9 @@
+ void (*d_unpin)(struct dentry *, struct vfsmount *, int);
};
-+#define PIN(de,mnt,flag) if (de->d_op && de->d_op->d_pin) \
++#define PIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_pin) \
+ de->d_op->d_pin(de, mnt, flag);
-+#define UNPIN(de,mnt,flag) if (de->d_op && de->d_op->d_unpin) \
++#define UNPIN(de,mnt,flag) if (de && de->d_op && de->d_op->d_unpin) \
+ de->d_op->d_unpin(de, mnt, flag);
+
+