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Re: [PATCH -next] xen-pciback: Fix return in pm_ctrl_init()

To: YueHaibing <yuehaibing@xxxxxxxxxx>, boris.ostrovsky@xxxxxxxxxx, sstabellini@xxxxxxxxxx
From: Juergen Gross <jgross@xxxxxxxx>
Date: Fri, 8 Oct 2021 17:01:07 +0200
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
Delivery-date: Fri, 08 Oct 2021 15:01:22 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 08.10.21 09:44, YueHaibing wrote:

Return NULL instead of passing to ERR_PTR while err is zero,
this fix smatch warnings:
drivers/xen/xen-pciback/conf_space_capability.c:163
  pm_ctrl_init() warn: passing zero to 'ERR_PTR'

Fixes: a92336a1176b ("xen/pciback: Drop two backends, squash and cleanup some 
code.")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>


Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Juergen

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Follow-Ups:
- Re: [PATCH -next] xen-pciback: Fix return in pm_ctrl_init()
  - From: Boris Ostrovsky

References:
- [PATCH -next] xen-pciback: Fix return in pm_ctrl_init()
  - From: YueHaibing

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