cifs: move cifs_cleanup_volume_info[_content] to fs_context.c

and rename it to smb3_cleanup_fs_context[_content]
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/cifs/cifsfs.c

@@ -874,7 +874,7 @@ cifs_smb3_do_mount(struct file_system_type *fs_type,
 out:
 	if (cifs_sb) {
 		kfree(cifs_sb->prepath);
-		cifs_cleanup_volume_info(cifs_sb->ctx);
+		smb3_cleanup_fs_context(cifs_sb->ctx);
 		kfree(cifs_sb);
 	}
 	return root;

fs/cifs/cifsproto.h

@@ -237,7 +237,6 @@ extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
 extern int cifs_setup_cifs_sb(struct smb3_fs_context *ctx,
 			       struct cifs_sb_info *cifs_sb);
 extern int cifs_match_super(struct super_block *, void *);
-extern void cifs_cleanup_volume_info(struct smb3_fs_context *ctx);
 extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx);
 extern void cifs_umount(struct cifs_sb_info *);
 extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
@@ -552,8 +551,6 @@ extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
 
 extern int
 cifs_setup_volume_info(struct smb3_fs_context *ctx);
-extern void
-cifs_cleanup_volume_info_contents(struct smb3_fs_context *ctx);
 
 extern struct TCP_Server_Info *
 cifs_find_tcp_session(struct smb3_fs_context *ctx);

fs/cifs/connect.c

@@ -2820,45 +2820,6 @@ int cifs_setup_cifs_sb(struct smb3_fs_context *ctx,
 	return 0;
 }
 
-void
-cifs_cleanup_volume_info_contents(struct smb3_fs_context *ctx)
-{
-	if (ctx == NULL)
-		return;
-
-	/*
-	 * Make sure this stays in sync with smb3_fs_context_dup()
-	 */
-	kfree(ctx->mount_options);
-	ctx->mount_options = NULL;
-	kfree(ctx->username);
-	ctx->username = NULL;
-	kfree_sensitive(ctx->password);
-	ctx->password = NULL;
-	kfree(ctx->UNC);
-	ctx->UNC = NULL;
-	kfree(ctx->domainname);
-	ctx->domainname = NULL;
-	kfree(ctx->nodename);
-	ctx->nodename = NULL;
-	kfree(ctx->iocharset);
-	ctx->iocharset = NULL;
-	kfree(ctx->prepath);
-	ctx->prepath = NULL;
-
-	unload_nls(ctx->local_nls);
-	ctx->local_nls = NULL;
-}
-
-void
-cifs_cleanup_volume_info(struct smb3_fs_context *ctx)
-{
-	if (!ctx)
-		return;
-	cifs_cleanup_volume_info_contents(ctx);
-	kfree(ctx);
-}
-
 /* Release all succeed connections */
 static inline void mount_put_conns(struct cifs_sb_info *cifs_sb,
 				   unsigned int xid,
@@ -3069,7 +3030,7 @@ expand_dfs_referral(const unsigned int xid, struct cifs_ses *ses,
 			rc = PTR_ERR(mdata);
 			mdata = NULL;
 		} else {
-			cifs_cleanup_volume_info_contents(ctx);
+			smb3_cleanup_fs_context_contents(ctx);
 			rc = cifs_setup_volume_info(ctx);
 		}
 		kfree(cifs_sb->ctx->mount_options);
@@ -3161,7 +3122,7 @@ static int setup_dfs_tgt_conn(const char *path, const char *full_path,
 			rc = update_vol_info(tgt_it, &fake_ctx, ctx);
 		}
 	}
-	cifs_cleanup_volume_info_contents(&fake_ctx);
+	smb3_cleanup_fs_context_contents(&fake_ctx);
 	return rc;
 }
 
@@ -3409,7 +3370,7 @@ static int check_dfs_prepath(struct cifs_sb_info *cifs_sb, struct smb3_fs_contex
 					break;
 				rc = -EREMOTE;
 				npath = build_unc_path_to_root(&v, cifs_sb, true);
-				cifs_cleanup_volume_info_contents(&v);
+				smb3_cleanup_fs_context_contents(&v);
 			} else {
 				v.UNC = ctx->UNC;
 				v.prepath = path + 1;
@@ -3773,7 +3734,7 @@ static void delayed_free(struct rcu_head *p)
 	struct cifs_sb_info *cifs_sb = container_of(p, struct cifs_sb_info, rcu);
 
 	unload_nls(cifs_sb->local_nls);
-	cifs_cleanup_volume_info(cifs_sb->ctx);
+	smb3_cleanup_fs_context(cifs_sb->ctx);
 	kfree(cifs_sb);
 }
 

fs/cifs/dfs_cache.c

@@ -587,7 +587,7 @@ static void __vol_release(struct vol_info *vi)
 {
 	kfree(vi->fullpath);
 	kfree(vi->mntdata);
-	cifs_cleanup_volume_info_contents(&vi->ctx);
+	smb3_cleanup_fs_context_contents(&vi->ctx);
 	kfree(vi);
 }
 
@@ -1468,7 +1468,7 @@ static struct cifs_ses *find_root_ses(struct vol_info *vi,
 	ses = cifs_get_smb_ses(server, &ctx);
 
 out:
-	cifs_cleanup_volume_info_contents(&ctx);
+	smb3_cleanup_fs_context_contents(&ctx);
 	kfree(mdata);
 	kfree(rpath);
 

fs/cifs/fs_context.c

@@ -290,7 +290,7 @@ do {									\
 	if (ctx->field) {						\
 		new_ctx->field = kstrdup(ctx->field, GFP_ATOMIC);	\
 		if (new_ctx->field == NULL) {				\
-			cifs_cleanup_volume_info_contents(new_ctx);	\
+			smb3_cleanup_fs_context_contents(new_ctx);	\
 			return -ENOMEM;					\
 		}							\
 	}								\
@@ -313,7 +313,7 @@ smb3_fs_context_dup(struct smb3_fs_context *new_ctx, struct smb3_fs_context *ctx
 	new_ctx->iocharset = NULL;
 
 	/*
-	 * Make sure to stay in sync with cifs_cleanup_volume_info_contents()
+	 * Make sure to stay in sync with smb3_cleanup_fs_context_contents()
 	 */
 	DUP_CTX_STR(prepath);
 	DUP_CTX_STR(mount_options);
@@ -618,7 +618,7 @@ static void smb3_fs_context_free(struct fs_context *fc)
 {
 	struct smb3_fs_context *ctx = smb3_fc2context(fc);
 
-	cifs_cleanup_volume_info(ctx);
+	smb3_cleanup_fs_context(ctx);
 }
 
 static int smb3_reconfigure(struct fs_context *fc)
@@ -1244,3 +1244,42 @@ int smb3_init_fs_context(struct fs_context *fc)
 	fc->ops = &smb3_fs_context_ops;
 	return 0;
 }
+
+void
+smb3_cleanup_fs_context_contents(struct smb3_fs_context *ctx)
+{
+	if (ctx == NULL)
+		return;
+
+	/*
+	 * Make sure this stays in sync with smb3_fs_context_dup()
+	 */
+	kfree(ctx->mount_options);
+	ctx->mount_options = NULL;
+	kfree(ctx->username);
+	ctx->username = NULL;
+	kfree_sensitive(ctx->password);
+	ctx->password = NULL;
+	kfree(ctx->UNC);
+	ctx->UNC = NULL;
+	kfree(ctx->domainname);
+	ctx->domainname = NULL;
+	kfree(ctx->nodename);
+	ctx->nodename = NULL;
+	kfree(ctx->iocharset);
+	ctx->iocharset = NULL;
+	kfree(ctx->prepath);
+	ctx->prepath = NULL;
+
+	unload_nls(ctx->local_nls);
+	ctx->local_nls = NULL;
+}
+
+void
+smb3_cleanup_fs_context(struct smb3_fs_context *ctx)
+{
+	if (!ctx)
+		return;
+	smb3_cleanup_fs_context_contents(ctx);
+	kfree(ctx);
+}

fs/cifs/fs_context.h

@@ -254,6 +254,8 @@ extern int cifs_parse_cache_flavor(char *value,
 extern int cifs_parse_security_flavors(char *value,
 				       struct smb3_fs_context *ctx);
 extern int smb3_init_fs_context(struct fs_context *fc);
+extern void smb3_cleanup_fs_context_contents(struct smb3_fs_context *ctx);
+extern void smb3_cleanup_fs_context(struct smb3_fs_context *ctx);
 
 static inline struct smb3_fs_context *smb3_fc2context(const struct fs_context *fc)
 {