[PATCH] exec: Remove the duplicated check in parse_cpu_option()

[Gavin Shan <gshan@redhat.com>]

The @cpu_option shouldn't be NULL, otherwise assertion from g_strsplit()
should be raised as below message indicates. So it's meaningless to validate
@model_pices[0] in parse_cpu_option() as it shouldn't be NULL either.

   qemu-system-aarch64: GLib: g_strsplit: assertion 'string != NULL' failed

This just removes the check and unused message.

Signed-off-by: Gavin Shan <gshan@redhat.com>
---
 exec.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/exec.c b/exec.c
index ffdb518535..3cff459e43 100644
--- a/exec.c
+++ b/exec.c
@@ -963,11 +963,6 @@ const char *parse_cpu_option(const char *cpu_option)
     const char *cpu_type;
 
     model_pieces = g_strsplit(cpu_option, ",", 2);
-    if (!model_pieces[0]) {
-        error_report("-cpu option cannot be empty");
-        exit(1);
-    }
-
     oc = cpu_class_by_name(CPU_RESOLVING_TYPE, model_pieces[0]);
     if (oc == NULL) {
         error_report("unable to find CPU model '%s'", model_pieces[0]);
-- 
2.23.0