From: Greg KH <greg@kroah.com>
To: Pintu Agarwal <pintu.ping@gmail.com>
Cc: Kernelnewbies <kernelnewbies@kernelnewbies.org>,
Richard Weinberger <richard@nod.at>,
open list <linux-kernel@vger.kernel.org>,
linux-mtd <linux-mtd@lists.infradead.org>,
Sean Nyekjaer <sean@geanix.com>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Phillip Lougher <phillip@squashfs.org.uk>
Subject: Re: MTD: How to get actual image size from MTD partition
Date: Fri, 16 Jul 2021 17:41:01 +0200 [thread overview]
Message-ID: <YPGojf7hX//Wn5su@kroah.com> (raw)
In-Reply-To: <CAOuPNLjzyG_2wGDYmwgeoQuuQ7cykJ11THf8jMrOFXZ7vXheJQ@mail.gmail.com>
On Fri, Jul 16, 2021 at 12:12:41PM +0530, Pintu Agarwal wrote:
> Hi,
>
> Our ARM32 Linux embedded system consists of these:
> * Linux Kernel: 4.14
> * Processor: Qualcomm Arm32 Cortex-A7
> * Storage: NAND 512MB
> * Platform: Simple busybox
> * Filesystem: UBIFS, Squashfs
> * Consists of nand raw partitions, squashfs ubi volumes.
>
> My requirement:
> To find the checksum of a real image in runtime which is flashed in an
> MTD partition.
Try using the dm-verity module for ensuring that a block device really
is properly signed before mounting it. That's what it was designed for
and is independent of the block device type.
good luck!
greg k-h
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next prev parent reply other threads:[~2021-07-16 15:42 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-16 6:42 MTD: How to get actual image size from MTD partition Pintu Agarwal
2021-07-16 7:16 ` Richard Weinberger
2021-07-16 15:41 ` Greg KH [this message]
2021-07-16 16:26 ` Richard Weinberger
2021-07-19 9:09 ` Pintu Agarwal
2021-07-19 9:28 ` Richard Weinberger
2021-07-20 6:17 ` Pintu Agarwal
2021-07-20 6:40 ` Richard Weinberger
2021-07-20 8:01 ` Pintu Agarwal
2021-07-21 20:54 ` Richard Weinberger
2021-07-22 11:10 ` Pintu Agarwal
2021-07-27 21:16 ` Richard Weinberger
2021-07-29 11:17 ` Ezequiel Garcia
2021-07-29 11:45 ` Richard Weinberger
2021-07-29 12:03 ` Ezequiel Garcia
2021-07-29 17:11 ` Pintu Agarwal
2021-08-20 18:24 ` Pintu Agarwal
2021-08-22 14:21 ` Ezequiel Garcia
2021-08-30 15:58 ` Pintu Agarwal
2021-10-29 16:12 ` Pintu Agarwal
2021-10-29 16:48 ` Ezequiel Garcia
2021-11-08 13:51 ` Pintu Agarwal
2021-11-12 13:58 ` Ezequiel Garcia
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