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Re: [Qemu-trivial] [PATCH] block/curl.c: Refuse to open the handle for w


From: Kevin Wolf
Subject: Re: [Qemu-trivial] [PATCH] block/curl.c: Refuse to open the handle for writes.
Date: Mon, 10 Jun 2013 13:24:51 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

Am 10.06.2013 um 12:06 hat Richard W.M. Jones geschrieben:
> From: "Richard W.M. Jones" <address@hidden>
> 
> Signed-off-by: Richard W.M. Jones <address@hidden>
> Signed-off-by: Fam Zheng <address@hidden>
> ---
>  block/curl.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/block/curl.c b/block/curl.c
> index b8935fd..f1e302b 100644
> --- a/block/curl.c
> +++ b/block/curl.c
> @@ -406,6 +406,10 @@ static int curl_open(BlockDriverState *bs, QDict 
> *options, int flags)
>  
>      static int inited = 0;
>  
> +    if (flags & BDRV_O_RDWR) {
> +        return -ENOTSUP;
> +    }
> +

Thanks, I applied this patch to the block branch for now, but I think a
v2 with some better error reporting wouldn't hurt. We can either add a
qerror_report() call or at least change the error code to -EROFS or
something like that.

Kevin



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