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Re: [Qemu-devel] [PATCH 2/2] ipmi: don't try to open a NULL filename
From: |
David Gibson |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] ipmi: don't try to open a NULL filename |
Date: |
Wed, 26 Apr 2017 12:42:44 +1000 |
User-agent: |
Mutt/1.8.0 (2017-02-23) |
On Tue, Apr 25, 2017 at 08:51:41AM +0200, Cédric Le Goater wrote:
> Currenlty, the code relies on the fact that open() handles NULL
> filenames but that can cause an error with new clang:
>
> hw/core/loader.c:67:15: runtime error: null pointer passed as argument 1,
> which is declared to never be null
>
> Signed-off-by: Cédric Le Goater <address@hidden>
Since my ppc-for-2.10 pull request has been held up because of this
anyway, tather than just apply this on top, I've folded it into your
earlier patch which caused the bug - that way we won't break bisect.
> ---
> hw/ipmi/ipmi_bmc_sim.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c
> index 155561d06614..277c28cb40ed 100644
> --- a/hw/ipmi/ipmi_bmc_sim.c
> +++ b/hw/ipmi/ipmi_bmc_sim.c
> @@ -1899,6 +1899,10 @@ static void ipmi_fru_init(IPMIFru *fru)
> int fsize;
> int size = 0;
>
> + if (!fru->filename) {
> + goto out;
> + }
> +
> fsize = get_image_size(fru->filename);
> if (fsize > 0) {
> size = QEMU_ALIGN_UP(fsize, fru->areasize);
> @@ -1910,6 +1914,7 @@ static void ipmi_fru_init(IPMIFru *fru)
> }
> }
>
> +out:
> if (!fru->data) {
> /* give one default FRU */
> size = fru->areasize;
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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