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target-arm: Check error conditions on kvm_arm_reset_vcpu 

When resetting a VCPU we currently call both kvm_arm_vcpu_init() and
write_kvmstate_to_list(), both of which can fail, but we never check the
return value.

The only choice here is to print an error an exit if the calls fail.

Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1418039630-11773-1-git-send-email-christoffer.dall@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Christoffer Dall 2014-12-11 12:07:53 +00:00 committed by Peter Maydell
parent a7130a3ef9
commit 25f2895e0e
1 changed files with 11 additions and 2 deletions
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13
target-arm/kvm.c
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@ -442,11 +442,20 @@ bool write_list_to_kvmstate(ARMCPU *cpu)
void kvm_arm_reset_vcpu(ARMCPU *cpu)
{
int ret;
/* Re-init VCPU so that all registers are set to
* their respective reset values.
*/
kvm_arm_vcpu_init(CPU(cpu));
write_kvmstate_to_list(cpu);
ret = kvm_arm_vcpu_init(CPU(cpu));
if (ret < 0) {
fprintf(stderr, "kvm_arm_vcpu_init failed: %s\n", strerror(-ret));
abort();
}
if (!write_kvmstate_to_list(cpu)) {
fprintf(stderr, "write_kvmstate_to_list failed\n");
abort();
}
}
void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run)