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Re: [XEN PATCH v4 2/4] xen/ns16550: address violations of MISRA C:2012 Rule 13.1
- To: Simone Ballarin <simone.ballarin@xxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 6 Feb 2024 14:10:18 +0100
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- Cc: consulting@xxxxxxxxxxx, sstabellini@xxxxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Wei Liu <wl@xxxxxxx>, Maria Celeste Cesario <maria.celeste.cesario@xxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 06 Feb 2024 13:10:27 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 02.02.2024 16:16, Simone Ballarin wrote:
> Rule 13.1: Initializer lists shall not contain persistent side effects
>
> The assignment operation in:
>
> .irq = rc = uart->irq,
>
> is a persistent side effect in a struct initializer list.
>
> This patch assigns rc separately outside the structure.
>
> No functional change.
>
> Signed-off-by: Simone Ballarin <simone.ballarin@xxxxxxxxxxx>
> Signed-off-by: Maria Celeste Cesario <maria.celeste.cesario@xxxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Nevertheless I think this would have benefited from limiting rc's
scope.
Jan
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