fs/exofs: fix potential memory leak in mount option parsing (515f1867) · Commits · 戴 / test

fs/exofs/super.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -101,6 +101,7 @@ static int parse_options(char options, struct exofs_mountopt opts)
		token = match_token(p, tokens, args);
		switch (token) {
		case Opt_name:
		kfree(opts->dev_name);
		opts->dev_name = match_strdup(&args[0]);
		if (unlikely(!opts->dev_name)) {
		EXOFS_ERR("Error allocating dev_name");
		@@ -866,8 +867,10 @@ static struct dentry exofs_mount(struct file_system_type type,
		int ret;

		ret = parse_options(data, &opts);
		if (ret)
		if (ret) {
		kfree(opts.dev_name);
		return ERR_PTR(ret);
		}

		if (!opts.dev_name)
		opts.dev_name = dev_name;