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ppc64Compute: Avoid possible NULL dereference

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cpu/cpu_ppc64.c: In function 'ppc64Compute':
cpu/cpu_ppc64.c:620:27: error: potential null pointer dereference [-Werror=null-dereference]
     if (STRNEQ(guest_model->name, host_model->name)) {
                ~~~~~~~~~~~^~~
cpu/cpu_ppc64.c:620:9: note: in expansion of macro 'STRNEQ'
     if (STRNEQ(guest_model->name, host_model->name)) {
         ^~~~~~
cc1: all warnings being treated as errors

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2016-06-02 11:47:11 +02:00
parent 263a88806c
commit 09258c3c82
1 changed files with 6 additions and 6 deletions
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12
src/cpu/cpu_ppc64.c
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@ -600,23 +600,23 @@ ppc64Compute(virCPUDefPtr host,
case VIR_CPU_MODE_HOST_PASSTHROUGH:
/* host-model and host-passthrough:
* the guest CPU is the same as the host */
if (!(guest_model = ppc64ModelCopy(host_model)))
goto cleanup;
guest_model = ppc64ModelCopy(host_model);
break;
case VIR_CPU_MODE_CUSTOM:
/* custom:
* look up guest CPU information */
if (!(guest_model = ppc64ModelFromCPU(cpu, map)))
goto cleanup;
guest_model = ppc64ModelFromCPU(cpu, map);
break;
}
} else {
/* Other host CPU information */
if (!(guest_model = ppc64ModelFromCPU(cpu, map)))
goto cleanup;
guest_model = ppc64ModelFromCPU(cpu, map);
}
if (!guest_model)
goto cleanup;
if (STRNEQ(guest_model->name, host_model->name)) {
VIR_DEBUG("host CPU model does not match required CPU model %s",
guest_model->name);