diff --git a/MAINTAINERS b/MAINTAINERS
index a1afc62..69565ac 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18011,7 +18011,7 @@ L:	linux-fbdev@vger.kernel.org
 S:	Maintained
 F:	drivers/video/fbdev/savage/
 
-S390
+S390 ARCHITECTURE
 M:	Heiko Carstens <hca@linux.ibm.com>
 M:	Vasily Gorbik <gor@linux.ibm.com>
 M:	Alexander Gordeev <agordeev@linux.ibm.com>
@@ -18066,6 +18066,15 @@ L:	netdev@vger.kernel.org
 S:	Supported
 F:	drivers/s390/net/
 
+S390 MM
+M:	Alexander Gordeev <agordeev@linux.ibm.com>
+M:	Gerald Schaefer <gerald.schaefer@linux.ibm.com>
+L:	linux-s390@vger.kernel.org
+S:	Supported
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git
+F:	arch/s390/include/asm/pgtable.h
+F:	arch/s390/mm
+
 S390 PCI SUBSYSTEM
 M:	Niklas Schnelle <schnelle@linux.ibm.com>
 M:	Gerald Schaefer <gerald.schaefer@linux.ibm.com>
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index dd74fe6..e4ef67e 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -46,7 +46,7 @@ struct save_area {
 	u64 fprs[16];
 	u32 fpc;
 	u32 prefix;
-	u64 todpreg;
+	u32 todpreg;
 	u64 timer;
 	u64 todcmp;
 	u64 vxrs_low[16];
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 59ac98f..b02c631 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -233,8 +233,11 @@ static void __init ap_init_qci_info(void)
 	if (!ap_qci_info)
 		return;
 	ap_qci_info_old = kzalloc(sizeof(*ap_qci_info_old), GFP_KERNEL);
-	if (!ap_qci_info_old)
+	if (!ap_qci_info_old) {
+		kfree(ap_qci_info);
+		ap_qci_info = NULL;
 		return;
+	}
 	if (ap_fetch_qci_info(ap_qci_info) != 0) {
 		kfree(ap_qci_info);
 		kfree(ap_qci_info_old);