linux-kernel - Re: [PATCH v2][next] RDMA/hns: Fix uninitialized variable bug

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Sun, 29 Mar 2020 11:10:48 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Lijun Ou <oulijun@...wei.com>,
        "Wei Hu(Xavier)" <huwei87@...ilicon.com>,
        Weihang Li <liweihang@...wei.com>,
        Doug Ledford <dledford@...hat.com>,
        Xi Wang <wangxi11@...wei.com>, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2][next] RDMA/hns: Fix uninitialized variable bug

On Fri, Mar 27, 2020 at 09:35:39PM -0500, Gustavo A. R. Silva wrote:
> There is a potential execution path in which variable *ret* is returned
> without being properly initialized, previously.
> 
> Fix this by initializing variable *ret* to 0.
> 
> Addresses-Coverity-ID: 1491917 ("Uninitialized scalar variable")
> Fixes: 2f49de21f3e9 ("RDMA/hns: Optimize mhop get flow for multi-hop addressing")
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> Acked-by: Weihang Li <liweihang@...wei.com>
> ---
> Changes in v2:
>  - Set ret to 0 instead of -ENODEV. Thanks Weihang Li, for the feedback.
> 
>  drivers/infiniband/hw/hns/hns_roce_hem.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied to for-next, thanks

Jason