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[PATCH v2 1/2] xen/arm: domain_build: Propagate return code of map_irq_to_domain()
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Michal Orzel <michal.orzel@xxxxxxx>
- Date: Thu, 11 May 2023 15:02:17 +0200
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- Cc: Michal Orzel <michal.orzel@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Thu, 11 May 2023 13:02:58 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
>From map_dt_irq_to_domain() we are assigning a return code of
map_irq_to_domain() to a variable without checking it for an error.
Fix it by propagating the return code directly since this is the last
call.
Fixes: 467e5cbb2ffc ("xen: arm: consolidate mmio and irq mapping to dom0")
Signed-off-by: Michal Orzel <michal.orzel@xxxxxxx>
---
Changes in v2:
- split the patch so that a fix alone can be backported
---
xen/arch/arm/domain_build.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index f80fdd1af206..9dee1bb8f21c 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -2320,7 +2320,7 @@ static int __init map_dt_irq_to_domain(const struct
dt_device_node *dev,
res = map_irq_to_domain(d, irq, !mr_data->skip_mapping, dt_node_name(dev));
- return 0;
+ return res;
}
int __init map_range_to_domain(const struct dt_device_node *dev,
--
2.25.1
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