Re: [PATCH] proc/vmcore: fix potential memory leak in vmcore_init()

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On Tue, Sep 13, 2022 at 02:25:01PM +0800, Jianglei Nie wrote:
>  	}
> -	elfcorehdr_free(elfcorehdr_addr);
>  	elfcorehdr_addr = ELFCORE_ADDR_ERR;
>  
>  	proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &vmcore_proc_ops);
>  	if (proc_vmcore)
>  		proc_vmcore->size = vmcore_size;
> -	return 0;
> +
> +fail:
> +	elfcorehdr_free(elfcorehdr_addr);
> +	return rc;
>  }

Did you test this?  It looks like you now call
elfcorehdr_free(ELFCORE_ADDR_ERR) if 'rc' is 0.

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