diff options
Diffstat (limited to 'drivers/s390/block/dasd_eer.c')
-rw-r--r-- | drivers/s390/block/dasd_eer.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c index 2d946b6ca07..da65f1b032f 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) { |