cifs: remove unused smb3_fs_context::mount_options

Just remove it as it's no longer used during mount.
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/cifs/fs_context.c

@@ -308,7 +308,6 @@ smb3_fs_context_dup(struct smb3_fs_context *new_ctx, struct smb3_fs_context *ctx
 {
 	memcpy(new_ctx, ctx, sizeof(*ctx));
 	new_ctx->prepath = NULL;
-	new_ctx->mount_options = NULL;
 	new_ctx->nodename = NULL;
 	new_ctx->username = NULL;
 	new_ctx->password = NULL;
@@ -321,7 +320,6 @@ smb3_fs_context_dup(struct smb3_fs_context *new_ctx, struct smb3_fs_context *ctx
 	 * Make sure to stay in sync with smb3_cleanup_fs_context_contents()
 	 */
 	DUP_CTX_STR(prepath);
-	DUP_CTX_STR(mount_options);
 	DUP_CTX_STR(username);
 	DUP_CTX_STR(password);
 	DUP_CTX_STR(server_hostname);
@@ -569,17 +567,12 @@ static const struct fs_context_operations smb3_fs_context_ops = {
 static int smb3_fs_context_parse_monolithic(struct fs_context *fc,
 					   void *data)
 {
-	struct smb3_fs_context *ctx = smb3_fc2context(fc);
 	char *options = data, *key;
 	int ret = 0;
 
 	if (!options)
 		return 0;
 
-	ctx->mount_options = kstrdup(data, GFP_KERNEL);
-	if (ctx->mount_options == NULL)
-		return -ENOMEM;
-
 	ret = security_sb_eat_lsm_opts(options, &fc->security);
 	if (ret)
 		return ret;
@@ -1581,8 +1574,6 @@ smb3_cleanup_fs_context_contents(struct smb3_fs_context *ctx)
 	/*
 	 * 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);

fs/cifs/fs_context.h

@@ -264,8 +264,6 @@ struct smb3_fs_context {
 	__u16 compression; /* compression algorithm 0xFFFF default 0=disabled */
 	bool rootfs:1; /* if it's a SMB root file system */
 	bool witness:1; /* use witness protocol */
-
-	char *mount_options;
 };
 
 extern const struct fs_parameter_spec smb3_fs_parameters[];