x86/cpuid: Fix crash on -cpu ""

Spotted by Coverity.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Markus Armbruster 2011-11-08 15:36:50 +01:00 committed by Stefan Hajnoczi
parent 99e1dec06f
commit 04c5b17a74

View File

@ -594,9 +594,9 @@ static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model)
uint32_t numvalue; uint32_t numvalue;
for (def = x86_defs; def; def = def->next) for (def = x86_defs; def; def = def->next)
if (!strcmp(name, def->name)) if (name && !strcmp(name, def->name))
break; break;
if (kvm_enabled() && strcmp(name, "host") == 0) { if (kvm_enabled() && name && strcmp(name, "host") == 0) {
cpu_x86_fill_host(x86_cpu_def); cpu_x86_fill_host(x86_cpu_def);
} else if (!def) { } else if (!def) {
goto error; goto error;