staging: unisys: fix NULL comparison in destroy_controlvm_payload_info()

Just remove the NULL from the check and test the pointer directly.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/unisys/visorchipset/visorchipset_main.c b/drivers/staging/unisys/visorchipset/visorchipset_main.c
index 7956ae7..0f791fb 100644 (file)
--- a/drivers/staging/unisys/visorchipset/visorchipset_main.c
+++ b/drivers/staging/unisys/visorchipset/visorchipset_main.c
@@ -1299,7 +1299,7 @@ cleanup:
 static void
 destroy_controlvm_payload_info(struct controlvm_payload_info *info)
 {
-       if (info->ptr != NULL) {
+       if (info->ptr) {
                iounmap(info->ptr);
                info->ptr = NULL;
        }