[Xen-devel] [RFC 14/22] xen/arm: gic-hip04: Allow the base address to be 0

[Julien Grall <julien.grall@xxxxxxxxxx>]

0 is a valid physical address and dt_device_get_address would return
an error if a problem during the retrieving happen.

Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
Cc: Zoltan Kiss <zoltan.kiss@xxxxxxxxxx>
---
 xen/arch/arm/gic-hip04.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/xen/arch/arm/gic-hip04.c b/xen/arch/arm/gic-hip04.c
index 1b457ec..ef86019 100644
--- a/xen/arch/arm/gic-hip04.c
+++ b/xen/arch/arm/gic-hip04.c
@@ -700,19 +700,19 @@ static int __init hip04gic_init(void)
     const struct dt_device_node *node = gicv2_info.node;
 
     res = dt_device_get_address(node, 0, &gicv2.dbase, NULL);
-    if ( res || !gicv2.dbase )
+    if ( res )
         panic("GIC-HIP04: Cannot find a valid address for the distributor");
 
     res = dt_device_get_address(node, 1, &gicv2.cbase, NULL);
-    if ( res || !gicv2.cbase )
+    if ( res )
         panic("GIC-HIP04: Cannot find a valid address for the CPU");
 
     res = dt_device_get_address(node, 2, &gicv2.hbase, NULL);
-    if ( res || !gicv2.hbase )
+    if ( res )
         panic("GIC-HIP04: Cannot find a valid address for the hypervisor");
 
     res = dt_device_get_address(node, 3, &gicv2.vbase, NULL);
-    if ( res || !gicv2.vbase )
+    if ( res )
         panic("GIC-HIP04: Cannot find a valid address for the virtual CPU");
 
     res = platform_get_irq(node, 0);
-- 
2.1.4


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