diff --git a/sys/fs/nfsclient/nfs_clrpcops.c b/sys/fs/nfsclient/nfs_clrpcops.c
index f0237649d042..15504657129f 100644
--- a/sys/fs/nfsclient/nfs_clrpcops.c
+++ b/sys/fs/nfsclient/nfs_clrpcops.c
@@ -5001,6 +5001,8 @@ nfsrpc_getdeviceinfo(struct nfsmount *nmp, uint8_t *deviceid, int layouttype,
 	uint8_t stripeindex;
 	sa_family_t af, safilled;
 
+	ssin.sin_port = 0;		/* To shut up compiler. */
+	ssin.sin_addr.s_addr = 0;	/* ditto */
 	*ndip = NULL;
 	ndi = NULL;
 	gotdspp = NULL;
@@ -5436,7 +5438,7 @@ nfsrpc_fillsa(struct nfsmount *nmp, struct sockaddr_in *sin,
 	struct nfsclds *dsp, *tdsp;
 	int error, firsttry;
 	enum nfsclds_state retv;
-	uint32_t sequenceid;
+	uint32_t sequenceid = 0;
 
 	KASSERT(nmp->nm_sockreq.nr_cred != NULL,
 	    ("nfsrpc_fillsa: NULL nr_cred"));
diff --git a/sys/fs/nfsserver/nfs_nfsdport.c b/sys/fs/nfsserver/nfs_nfsdport.c
index 752bb7bd0860..6a883f847f62 100644
--- a/sys/fs/nfsserver/nfs_nfsdport.c
+++ b/sys/fs/nfsserver/nfs_nfsdport.c
@@ -4670,7 +4670,7 @@ nfsrv_dsgetsockmnt(struct vnode *vp, int lktype, char *buf, int *buflenp,
     char *devid, char *fnamep, struct vnode **nvpp, struct nfsmount **newnmpp,
     struct nfsmount *curnmp, int *ippos, int *dsdirp)
 {
-	struct vnode *dvp, *nvp, **tdvpp;
+	struct vnode *dvp, *nvp = NULL, **tdvpp;
 	struct mount *mp;
 	struct nfsmount *nmp, *newnmp;
 	struct sockaddr *sad;
diff --git a/sys/fs/nfsserver/nfs_nfsdserv.c b/sys/fs/nfsserver/nfs_nfsdserv.c
index 76d4b93cfd37..01e691e3cc2f 100644
--- a/sys/fs/nfsserver/nfs_nfsdserv.c
+++ b/sys/fs/nfsserver/nfs_nfsdserv.c
@@ -4594,7 +4594,7 @@ nfsrvd_layoutcommit(struct nfsrv_descript *nd, __unused int isdgram,
 	nfsv4stateid_t stateid;
 	int error = 0, hasnewoff, hasnewmtime, layouttype, maxcnt, reclaim;
 	int hasnewsize;
-	uint64_t offset, len, newoff, newsize;
+	uint64_t offset, len, newoff = 0, newsize;
 	struct timespec newmtime;
 	char *layp;
 	struct thread *p = curthread;
diff --git a/sys/fs/nfsserver/nfs_nfsdstate.c b/sys/fs/nfsserver/nfs_nfsdstate.c
index 217e74f72d6b..41f329c16d2b 100644
--- a/sys/fs/nfsserver/nfs_nfsdstate.c
+++ b/sys/fs/nfsserver/nfs_nfsdstate.c
@@ -4056,10 +4056,10 @@ nfsrv_getclientipaddr(struct nfsrv_descript *nd, struct nfsclient *clp)
 	int i, j, maxalen = 0, minalen = 0;
 	sa_family_t af;
 #ifdef INET
-	struct sockaddr_in *rin, *sin;
+	struct sockaddr_in *rin = NULL, *sin;
 #endif
 #ifdef INET6
-	struct sockaddr_in6 *rin6, *sin6;
+	struct sockaddr_in6 *rin6 = NULL, *sin6;
 #endif
 	u_char *addr;
 	int error = 0, cantparse = 0;
@@ -7075,7 +7075,7 @@ nfsrv_recalloldlayout(NFSPROC_T *p)
 	nfsquad_t clientid;
 	nfsv4stateid_t stateid;
 	fhandle_t fh;
-	int error, laytype, ret;
+	int error, laytype = 0, ret;
 
 	lhyp = &nfslayouthash[arc4random() % nfsrv_layouthashsize];
 	NFSLOCKLAYOUT(lhyp);