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Subject[PATCH] KVM: selftests: Add 'malloc' failure check in config_name
Date
There is a 'malloc' call in config_name function, which can
be unsuccessful. This patch will add the malloc failure checking
to avoid possible null dereference and give more information
about test fail reasons.

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
---
tools/testing/selftests/kvm/get-reg-list.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/kvm/get-reg-list.c b/tools/testing/selftests/kvm/get-reg-list.c
index 91f05f78e824..22398696ffd6 100644
--- a/tools/testing/selftests/kvm/get-reg-list.c
+++ b/tools/testing/selftests/kvm/get-reg-list.c
@@ -66,6 +66,7 @@ static const char *config_name(struct vcpu_reg_list *c)
len += strlen(s->name) + 1;

c->name = malloc(len);
+ TEST_ASSERT(c->name, "-ENOMEM when allocating config name");

len = 0;
for_each_sublist(c, s) {
--
2.40.1

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