xen: remove redundant NULL check before unregister_and_remove_pcpu().

unregister_and_remove_pcpu on a NULL pointer is a no-op, so the NULL check in
sync_pcpu can be removed.

Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

diff --git a/drivers/xen/pcpu.c b/drivers/xen/pcpu.c
index 067fcfa..5a27a45 100644 (file)
--- a/drivers/xen/pcpu.c
+++ b/drivers/xen/pcpu.c
@@ -278,8 +278,7 @@ static int sync_pcpu(uint32_t cpu, uint32_t *max_cpu)
         * Only those at cpu present map has its sys interface.
         */
        if (info->flags & XEN_PCPU_FLAGS_INVALID) {
-               if (pcpu)
-                       unregister_and_remove_pcpu(pcpu);
+               unregister_and_remove_pcpu(pcpu);
                return 0;
        }