diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 56f2646612e6..54fd38589674 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -1369,7 +1369,7 @@ new_segment:
 	} /* segments in rq */
 
 	if (sg)
-		__sg_mark_end(sg);
+		sg_mark_end(sg);
 
 	return nsegs;
 }
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 61fdaf02f251..88de771d3569 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -785,7 +785,7 @@ struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask)
 		 * end-of-list
 		 */
 		if (!left)
-			sg_mark_end(sgl, this);
+			sg_mark_end(&sgl[this - 1]);
 
 		/*
 		 * don't allow subsequent mempool allocs to sleep, it would
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index d5e1876daf3f..259735044148 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -188,21 +188,23 @@ static inline void sg_chain(struct scatterlist *prv, unsigned int prv_nents,
 
 /**
  * sg_mark_end - Mark the end of the scatterlist
- * @sgl:	Scatterlist
- * @nents:	Number of entries in sgl
+ * @sg:		 SG entryScatterlist
  *
  * Description:
- *   Marks the last entry as the termination point for sg_next()
+ *   Marks the passed in sg entry as the termination point for the sg
+ *   table. A call to sg_next() on this entry will return NULL.
  *
  **/
-static inline void sg_mark_end(struct scatterlist *sgl, unsigned int nents)
-{
-	sgl[nents - 1].page_link = 0x02;
-}
-
-static inline void __sg_mark_end(struct scatterlist *sg)
+static inline void sg_mark_end(struct scatterlist *sg)
 {
+#ifdef CONFIG_DEBUG_SG
+	BUG_ON(sg->sg_magic != SG_MAGIC);
+#endif
+	/*
+	 * Set termination bit, clear potential chain bit
+	 */
 	sg->page_link |= 0x02;
+	sg->page_link &= ~0x01;
 }
 
 /**
@@ -218,7 +220,6 @@ static inline void __sg_mark_end(struct scatterlist *sg)
 static inline void sg_init_table(struct scatterlist *sgl, unsigned int nents)
 {
 	memset(sgl, 0, sizeof(*sgl) * nents);
-	sg_mark_end(sgl, nents);
 #ifdef CONFIG_DEBUG_SG
 	{
 		unsigned int i;
@@ -226,6 +227,7 @@ static inline void sg_init_table(struct scatterlist *sgl, unsigned int nents)
 			sgl[i].sg_magic = SG_MAGIC;
 	}
 #endif
+	sg_mark_end(&sgl[nents - 1]);
 }
 
 /**
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 64b50ff7a413..32d5826b7177 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2095,7 +2095,7 @@ int skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int le
 {
 	int nsg = __skb_to_sgvec(skb, sg, offset, len);
 
-	__sg_mark_end(&sg[nsg - 1]);
+	sg_mark_end(&sg[nsg - 1]);
 
 	return nsg;
 }
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index eec02b29ffcf..d438dfb0c8f3 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1083,7 +1083,7 @@ static int tcp_v4_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
 	sg_set_buf(&sg[block++], key->key, key->keylen);
 	nbytes += key->keylen;
 
-	__sg_mark_end(&sg[block - 1]);
+	sg_mark_end(&sg[block - 1]);
 
 	/* Now store the Hash into the packet */
 	err = crypto_hash_init(desc);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 4b9032880959..06be2a1f2730 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -781,7 +781,7 @@ static int tcp_v6_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
 	sg_set_buf(&sg[block++], key->key, key->keylen);
 	nbytes += key->keylen;
 
-	__sg_mark_end(&sg[block - 1]);
+	sg_mark_end(&sg[block - 1]);
 
 	/* Now store the hash into the packet */
 	err = crypto_hash_init(desc);
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index c387cf68a08c..e09a95aa68ff 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -702,7 +702,7 @@ static void rxkad_sg_set_buf2(struct scatterlist sg[2],
 		nsg++;
 	}
 
-	__sg_mark_end(&sg[nsg - 1]);
+	sg_mark_end(&sg[nsg - 1]);
 
 	ASSERTCMP(sg[0].length + sg[1].length, ==, buflen);
 }
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index ab7cbd6575c4..0dd792338fa9 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -211,8 +211,8 @@ encryptor(struct scatterlist *sg, void *data)
 	if (thislen == 0)
 		return 0;
 
-	__sg_mark_end(&desc->infrags[desc->fragno - 1]);
-	__sg_mark_end(&desc->outfrags[desc->fragno - 1]);
+	sg_mark_end(&desc->infrags[desc->fragno - 1]);
+	sg_mark_end(&desc->outfrags[desc->fragno - 1]);
 
 	ret = crypto_blkcipher_encrypt_iv(&desc->desc, desc->outfrags,
 					  desc->infrags, thislen);
@@ -293,7 +293,7 @@ decryptor(struct scatterlist *sg, void *data)
 	if (thislen == 0)
 		return 0;
 
-	__sg_mark_end(&desc->frags[desc->fragno - 1]);
+	sg_mark_end(&desc->frags[desc->fragno - 1]);
 
 	ret = crypto_blkcipher_decrypt_iv(&desc->desc, desc->frags,
 					  desc->frags, thislen);