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From: Julien Grall <julien@xen.org>
To: Michal Orzel <michal.orzel@arm.com>, xen-devel@lists.xenproject.org
Cc: bertrand.marquis@arm.com, Julien Grall <jgrall@amazon.com>
Subject: Re: [PATCH v2] xen/arm: kernel: Propagate the error if we fail to decompress the kernel
Date: Sun, 18 Apr 2021 19:26:11 +0100	[thread overview]
Message-ID: <6c8133a5-dc78-083b-0cec-69860e46daf7@xen.org> (raw)
In-Reply-To: <591603c5-ebcb-e9d6-74a0-bed921458a69@arm.com>

Hi Michal,

On 12/04/2021 07:45, Michal Orzel wrote:
> On 06.04.2021 21:15, Julien Grall wrote:
>> From: Julien Grall <jgrall@amazon.com>
>> Currently, we are ignoring any error from perform_gunzip() and replacing
>> the compressed kernel with the "uncompressed" kernel.
>> If there is a gzip failure, then it means that the output buffer may
>> contain garbagge. So it can result to various sort of behavior that may
>> be difficult to root cause.
>> In case of failure, free the output buffer and propagate the error.
>> We also need to adjust the return check for kernel_compress() as
>> perform_gunzip() may return a positive value.
>> Take the opportunity to adjust the code style for the check.
>> Signed-off-by: Julien Grall <jgrall@amazon.com>
>> ---
>>      Changes in v2:
>>          - Fix build
>> ---
> Reviewed-by: Michal Orzel <michal.orzel@arm.com>

Thanks! @Stefano, can I get your acked-by?


Julien Grall

  reply	other threads:[~2021-04-18 18:26 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-06 19:15 [PATCH v2] xen/arm: kernel: Propagate the error if we fail to decompress the kernel Julien Grall
2021-04-12  6:45 ` Michal Orzel
2021-04-18 18:26   ` Julien Grall [this message]
2021-05-10 17:47     ` PING " Julien Grall

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