linux-kernel - Re: [PATCH v1 1/1] s390/kvm: initialize uninitialized flags variable

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Message-ID: <462c0ab7-67f6-4815-8f23-433625b58150@linux.ibm.com>
Date: Mon, 4 Nov 2024 10:43:41 +0100
From: Janosch Frank <frankja@...ux.ibm.com>
To: Claudio Imbrenda <imbrenda@...ux.ibm.com>, linux-kernel@...r.kernel.org
Cc: borntraeger@...ibm.com, nsg@...ux.ibm.com, nrb@...ux.ibm.com,
        seiden@...ux.ibm.com, hca@...ux.ibm.com, agordeev@...ux.ibm.com,
        gor@...ux.ibm.com, gerald.schaefer@...ux.ibm.com, kvm@...r.kernel.org,
        linux-s390@...r.kernel.org
Subject: Re: [PATCH v1 1/1] s390/kvm: initialize uninitialized flags variable

On 10/30/24 5:19 PM, Claudio Imbrenda wrote:
> The flags variable was being used uninitialized.
> Initialize it to 0 as expected.
> 
> For some reason neither gcc nor clang reported a warning.
> 
> Fixes: ce2b276ebe51 ("s390/mm/fault: Handle guest-related program interrupts in KVM")
> Reported-by: Janosch Frank <frankja@...ux.ibm.com>
> Signed-off-by: Claudio Imbrenda <imbrenda@...ux.ibm.com>

Thanks for tracking this down, tprot selftest is green with this fix.

Reviewed-by: Janosch Frank <frankja@...ux.ibm.com>