diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index db14c92..b686460 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -358,13 +358,11 @@ static int ocfs2_info_handle_freeinode(struct inode *inode,
 				goto bail;
 			}
 		} else {
-			ocfs2_sprintf_system_inode_name(namebuf,
-							sizeof(namebuf),
-							type, i);
+			int len = ocfs2_sprintf_system_inode_name(namebuf,
+								  sizeof(namebuf),
+								  type, i);
 			status = ocfs2_lookup_ino_from_name(osb->sys_root_inode,
-							    namebuf,
-							    strlen(namebuf),
-							    &blkno);
+							    namebuf, len, &blkno);
 			if (status < 0) {
 				status = -ENOENT;
 				goto bail;
@@ -651,12 +649,10 @@ static int ocfs2_info_handle_freefrag(struct inode *inode,
 			goto bail;
 		}
 	} else {
-		ocfs2_sprintf_system_inode_name(namebuf, sizeof(namebuf), type,
-						OCFS2_INVALID_SLOT);
+		int len = ocfs2_sprintf_system_inode_name(namebuf, sizeof(namebuf),
+							  type, OCFS2_INVALID_SLOT);
 		status = ocfs2_lookup_ino_from_name(osb->sys_root_inode,
-						    namebuf,
-						    strlen(namebuf),
-						    &blkno);
+						    namebuf, len, &blkno);
 		if (status < 0) {
 			status = -ENOENT;
 			goto bail;
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
index cbe2f8e..86f2631 100644
--- a/fs/ocfs2/move_extents.c
+++ b/fs/ocfs2/move_extents.c
@@ -364,7 +364,7 @@ static int ocfs2_find_victim_alloc_group(struct inode *inode,
 					 int *vict_bit,
 					 struct buffer_head **ret_bh)
 {
-	int ret, i, bits_per_unit = 0;
+	int ret, i, len, bits_per_unit = 0;
 	u64 blkno;
 	char namebuf[40];
 
@@ -375,9 +375,9 @@ static int ocfs2_find_victim_alloc_group(struct inode *inode,
 	struct ocfs2_dinode *ac_dinode;
 	struct ocfs2_group_desc *bg;
 
-	ocfs2_sprintf_system_inode_name(namebuf, sizeof(namebuf), type, slot);
-	ret = ocfs2_lookup_ino_from_name(osb->sys_root_inode, namebuf,
-					 strlen(namebuf), &blkno);
+	len = ocfs2_sprintf_system_inode_name(namebuf, sizeof(namebuf), type, slot);
+	ret = ocfs2_lookup_ino_from_name(osb->sys_root_inode, namebuf, len, &blkno);
+
 	if (ret) {
 		ret = -ENOENT;
 		goto out;
diff --git a/fs/ocfs2/sysfile.c b/fs/ocfs2/sysfile.c
index 53a945d..d53a6cc 100644
--- a/fs/ocfs2/sysfile.c
+++ b/fs/ocfs2/sysfile.c
@@ -127,14 +127,14 @@ static struct inode * _ocfs2_get_system_file_inode(struct ocfs2_super *osb,
 	char namebuf[40];
 	struct inode *inode = NULL;
 	u64 blkno;
-	int status = 0;
+	int len, status = 0;
 
-	ocfs2_sprintf_system_inode_name(namebuf,
-					sizeof(namebuf),
-					type, slot);
+	len = ocfs2_sprintf_system_inode_name(namebuf,
+					      sizeof(namebuf),
+					      type, slot);
 
-	status = ocfs2_lookup_ino_from_name(osb->sys_root_inode, namebuf,
-					    strlen(namebuf), &blkno);
+	status = ocfs2_lookup_ino_from_name(osb->sys_root_inode,
+					    namebuf, len, &blkno);
 	if (status < 0) {
 		goto bail;
 	}