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 <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
rtvt123 · Feb 13, 2013 · 4f8c852 · 4f8c852
1 parent 13d2b4d
commit 4f8c852
Showing 1 changed file with 1 addition and 2 deletions.
diff --git 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;
 	}