Use NULL instead of 0 for pointers

5 files changed, 9 insertions, 9 deletions

diff --git a/sys/fs/cd9660/cd9660_vfsops.c b/sys/fs/cd9660/cd9660_vfsops.c
index 737bf2613991..7780b0408df2 100644
--- a/sys/fs/cd9660/cd9660_vfsops.c
+++ b/sys/fs/cd9660/cd9660_vfsops.c
@@ -133,7 +133,7 @@ cd9660_mount(struct mount *mp)
 	int error;
 	accmode_t accmode;
 	struct nameidata ndp;
-	struct iso_mnt *imp = 0;
+	struct iso_mnt *imp = NULL;
 
 	td = curthread;
 
@@ -214,7 +214,7 @@ iso_mountfs(devvp, mp)
 	int iso_bsize;
 	int iso_blknum;
 	int joliet_level;
-	struct iso_volume_descriptor *vdp = 0;
+	struct iso_volume_descriptor *vdp = NULL;
 	struct iso_primary_descriptor *pri = NULL;
 	struct iso_sierra_primary_descriptor *pri_sierra = NULL;
 	struct iso_supplementary_descriptor *sup = NULL;
diff --git a/sys/fs/ext2fs/ext2_vfsops.c b/sys/fs/ext2fs/ext2_vfsops.c
index 17ffb623df04..576a1f59a0e5 100644
--- a/sys/fs/ext2fs/ext2_vfsops.c
+++ b/sys/fs/ext2fs/ext2_vfsops.c
@@ -112,7 +112,7 @@ ext2_mount(struct mount *mp)
 	struct vfsoptlist *opts;
 	struct vnode *devvp;
 	struct thread *td;
-	struct ext2mount *ump = 0;
+	struct ext2mount *ump = NULL;
 	struct m_ext2fs *fs;
 	struct nameidata nd, *ndp = &nd;
 	accmode_t accmode;
diff --git a/sys/fs/msdosfs/msdosfs_lookup.c b/sys/fs/msdosfs/msdosfs_lookup.c
index d923c89886d9..27c76e1bb107 100644
--- a/sys/fs/msdosfs/msdosfs_lookup.c
+++ b/sys/fs/msdosfs/msdosfs_lookup.c
@@ -108,7 +108,7 @@ msdosfs_lookup_(struct vnode *vdp, struct vnode **vpp,
 	struct denode *dp;
 	struct denode *tdp;
 	struct msdosfsmount *pmp;
-	struct buf *bp = 0;
+	struct buf *bp = NULL;
 	struct direntry *dep = NULL;
 	u_char dosfilename[12];
 	int flags = cnp->cn_flags;
diff --git a/sys/fs/portalfs/portal_vnops.c b/sys/fs/portalfs/portal_vnops.c
index f9ef08a50db1..6b70daefa58c 100644
--- a/sys/fs/portalfs/portal_vnops.c
+++ b/sys/fs/portalfs/portal_vnops.c
@@ -110,7 +110,7 @@ portal_lookup(ap)
 	char *pname = cnp->cn_nameptr;
 	struct portalnode *pt;
 	int error;
-	struct vnode *fvp = 0;
+	struct vnode *fvp = NULL;
 	char *path;
 	int size;
 
@@ -217,14 +217,14 @@ portal_open(ap)
 		struct thread *a_td;
 	} */ *ap;
 {
-	struct socket *so = 0;
+	struct socket *so = NULL;
 	struct portalnode *pt;
 	struct thread *td = ap->a_td;
 	struct vnode *vp = ap->a_vp;
 	struct uio auio;
 	struct iovec aiov[2];
 	int res;
-	struct mbuf *cm = 0;
+	struct mbuf *cm = NULL;
 	struct cmsghdr *cmsg;
 	int newfds;
 	int *ip;
@@ -356,7 +356,7 @@ portal_open(ap)
 
 	len = auio.uio_resid = sizeof(int);
 	do {
-		struct mbuf *m = 0;
+		struct mbuf *m = NULL;
 		int flags = MSG_WAITALL;
 		error = soreceive(so, (struct sockaddr **) 0, &auio,
 					&m, &cm, &flags);
diff --git a/sys/fs/udf/udf_vfsops.c b/sys/fs/udf/udf_vfsops.c
index bb2c09d31c5b..ddf3b997d1b3 100644
--- a/sys/fs/udf/udf_vfsops.c
+++ b/sys/fs/udf/udf_vfsops.c
@@ -190,7 +190,7 @@ udf_mount(struct mount *mp)
 {
 	struct vnode *devvp;	/* vnode of the mount device */
 	struct thread *td;
-	struct udf_mnt *imp = 0;
+	struct udf_mnt *imp = NULL;
 	struct vfsoptlist *opts;
 	char *fspec, *cs_disk, *cs_local;
 	int error, len, *udf_flags;