vhost-net: minor cleanup
vhost-net: minor cleanup

Delete a label and goto from vhost_net_set_backend
Inverting a test allows a label and goto to be eliminated.

Signed-off-by: Jeff Dike <f9b6309e85863eba5d28138b6a0f35841ce976d0@linux.intel.com>
Signed-off-by: Michael S. Tsirkin <255103e50249e3d658441816e0597170ebfc16ef@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs