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Re: [PATCH v2] libxc: avoid clobbering errno in xc_domain_pod_target()

To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: Juergen Gross <jgross@xxxxxxxx>
Date: Fri, 10 Dec 2021 14:26:04 +0100
Cc: Wei Liu <wl@xxxxxxx>, Anthony Perard <anthony.perard@xxxxxxxxxx>
Delivery-date: Fri, 10 Dec 2021 13:26:17 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 10.12.21 14:11, Jan Beulich wrote:

do_memory_op() supplies return value and has "errno" set the usual way.
Don't overwrite "errno" with 1 (aka EPERM on at least Linux). There's
also no reason to overwrite "err".

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>


Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Juergen

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References:
- [PATCH v2] libxc: avoid clobbering errno in xc_domain_pod_target()
  - From: Jan Beulich

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