linux-kernel - [PATCH 2/4] kernel/resource: Populate child pointer in find_next_iomem

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Date:   Wed, 26 May 2021 20:05:29 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     kexec@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        James Morse <james.morse@....com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Hanjun Guo <guohanjun@...wei.com>,
        Sudeep Holla <sudeep.holla@....com>,
        Eric Biederman <ebiederm@...ssion.com>,
        Bhupesh SHARMA <bhupesh.sharma@...aro.org>,
        AKASHI Takahiro <takahiro.akashi@...aro.org>,
        Dave Young <dyoung@...hat.com>,
        Moritz Fischer <mdf@...nel.org>, kernel-team@...roid.com
Subject: [PATCH 2/4] kernel/resource: Populate child pointer in find_next_iomem_res()

When find_next_iomem_res() returns a resource, it doesn't
populate the child pointer (but does so with the parent).

As we are about to need to arse child resources, populate
this pointer as well.

Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 kernel/resource.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/resource.c b/kernel/resource.c
index ca9f5198a01f..311b8d2c9957 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -377,6 +377,7 @@ static int find_next_iomem_res(resource_size_t start, resource_size_t end,
 			.flags = p->flags,
 			.desc = p->desc,
 			.parent = p->parent,
+			.child = p->child,
 		};
 	}
 
-- 
2.30.2