linux-kernel - Re: [Patch] mtd: set master partition panic write flag

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

Date:   Sat, 13 Jun 2020 02:49:31 -0400
From:   Kamal Dasu <kdasu.kdev@...il.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>
Cc:     bcm-kernel-feedback-list@...adcom.com,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [Patch] mtd: set master partition panic write flag


Can you please accept this if there are no objections.

Kamal

> On May 4, 2020, at 7:54 PM, Kamal Dasu <kdasu.kdev@...il.com> wrote:
> 
> Check and set master panic write flag so that low level drivers
> can use it to take required action to ensure oops data gets written
> to assigned mtdoops device partition.
> 
> Signed-off-by: Kamal Dasu <kdasu.kdev@...il.com>
> ---
> drivers/mtd/mtdcore.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
> index 2916674208b3..7e37ed2f38ea 100644
> --- a/drivers/mtd/mtdcore.c
> +++ b/drivers/mtd/mtdcore.c
> @@ -1235,8 +1235,8 @@ int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
>        return -EROFS;
>    if (!len)
>        return 0;
> -    if (!mtd->oops_panic_write)
> -        mtd->oops_panic_write = true;
> +    if (!master->oops_panic_write)
> +        master->oops_panic_write = true;
> 
>    return master->_panic_write(master, mtd_get_master_ofs(mtd, to), len,
>                    retlen, buf);
> -- 
> 2.17.1
>