1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index 2d946b6ca074..da65f1b032f5 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -89,7 +89,7 @@ struct eerbuffer {
 };
 
 static LIST_HEAD(bufferlist);
-static spinlock_t bufferlock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(bufferlock);
 static DECLARE_WAIT_QUEUE_HEAD(dasd_eer_read_wait_queue);
 
 /*
@@ -276,7 +276,7 @@ struct dasd_eer_header {
         __u64 tv_sec;
         __u64 tv_usec;
         char busid[DASD_EER_BUSID_SIZE];
-};
+} __attribute__ ((packed));
 
 /*
  * The following function can be used for those triggers that have
@@ -521,6 +521,8 @@ static int dasd_eer_open(struct inode *inp, struct file *filp)
         unsigned long flags;
 
         eerb = kzalloc(sizeof(struct eerbuffer), GFP_KERNEL);
+        if (!eerb)
+                return -ENOMEM;
         eerb->buffer_page_count = eer_pages;
         if (eerb->buffer_page_count < 1 ||
             eerb->buffer_page_count > INT_MAX / PAGE_SIZE) {