[Xen-devel] [PATCH for-4.12] xen/arm: psci: Populate arm_smccc_res on PSCI_FEATURES call

[Julien Grall <julien.grall@xxxxxxx>]

Commit 0bc6a68da5 "xen/arm: Replace call_smc with arm_smccc_smc"
mistakenly forgot to populate arm_smccc_res. So a garbagge value was
used as return value.

Coverity-ID: 1476827
Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
---
 xen/arch/arm/psci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/arm/psci.c b/xen/arch/arm/psci.c
index d23cb8e76e..0c90c2305c 100644
--- a/xen/arch/arm/psci.c
+++ b/xen/arch/arm/psci.c
@@ -87,7 +87,7 @@ static int __init psci_features(uint32_t psci_func_id)
     if ( psci_ver < PSCI_VERSION(1, 0) )
         return PSCI_NOT_SUPPORTED;
 
-    arm_smccc_smc(PSCI_1_0_FN32_PSCI_FEATURES, psci_func_id, NULL);
+    arm_smccc_smc(PSCI_1_0_FN32_PSCI_FEATURES, psci_func_id, &res);
 
     return PSCI_RET(res);
 }
-- 
2.11.0


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