1 files changed, 0 insertions, 6 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 8373ca0de8e0..38e6fa9a2012 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -21,7 +21,6 @@
 #include <linux/hdreg.h>
 #include <linux/async.h>
 #include <linux/mutex.h>
-#include <linux/smp_lock.h>
 
 #include <asm/ccwdev.h>
 #include <asm/ebcdic.h>
@@ -2236,7 +2235,6 @@ static int dasd_open(struct block_device *bdev, fmode_t mode)
         if (!block)
                 return -ENODEV;
 
-        lock_kernel();
         base = block->base;
         atomic_inc(&block->open_count);
         if (test_bit(DASD_FLAG_OFFLINE, &base->flags)) {
@@ -2271,14 +2269,12 @@ static int dasd_open(struct block_device *bdev, fmode_t mode)
                 goto out;
         }
 
-        unlock_kernel();
         return 0;
 
 out:
         module_put(base->discipline->owner);
 unlock:
         atomic_dec(&block->open_count);
-        unlock_kernel();
         return rc;
 }
 
@@ -2286,10 +2282,8 @@ static int dasd_release(struct gendisk *disk, fmode_t mode)
 {
         struct dasd_block *block = disk->private_data;
 
-        lock_kernel();
         atomic_dec(&block->open_count);
         module_put(block->base->discipline->owner);
-        unlock_kernel();
         return 0;
 }