1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index cfe782ee6473..1bbae433fbd8 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -24,6 +24,7 @@
 #include <asm/debug.h>
 #include <asm/processor.h>
 #include <asm/irqflags.h>
+#include <asm/checksum.h>
 #include "sclp.h"
 
 #define TRACE(x...) debug_sprintf_event(zcore_dbf, 1, x)
@@ -704,7 +705,8 @@ static int __init zcore_reipl_init(void)
                 free_page((unsigned long) ipl_block);
                 return rc;
         }
-        if (cksm(ipl_block, ipl_block->hdr.len) != ipib_info.checksum) {
+        if (csum_partial(ipl_block, ipl_block->hdr.len, 0) !=
+            ipib_info.checksum) {
                 TRACE("Checksum does not match\n");
                 free_page((unsigned long) ipl_block);
                 ipl_block = NULL;