1 files changed, 0 insertions, 5 deletions

diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index d96039eae59..1f3e967aaba 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -536,7 +536,6 @@ static int dasd_eer_open(struct inode *inp, struct file *filp)
         eerb = kzalloc(sizeof(struct eerbuffer), GFP_KERNEL);
         if (!eerb)
                 return -ENOMEM;
-        lock_kernel();
         eerb->buffer_page_count = eer_pages;
         if (eerb->buffer_page_count < 1 ||
             eerb->buffer_page_count > INT_MAX / PAGE_SIZE) {
@@ -544,7 +543,6 @@ static int dasd_eer_open(struct inode *inp, struct file *filp)
                 DBF_EVENT(DBF_WARNING, "can't open device since module "
                         "parameter eer_pages is smaller than 1 or"
                         " bigger than %d", (int)(INT_MAX / PAGE_SIZE));
-                unlock_kernel();
                 return -EINVAL;
         }
         eerb->buffersize = eerb->buffer_page_count * PAGE_SIZE;
@@ -552,14 +550,12 @@ static int dasd_eer_open(struct inode *inp, struct file *filp)
                                GFP_KERNEL);
         if (!eerb->buffer) {
                 kfree(eerb);
-                unlock_kernel();
                 return -ENOMEM;
         }
         if (dasd_eer_allocate_buffer_pages(eerb->buffer,
                                            eerb->buffer_page_count)) {
                 kfree(eerb->buffer);
                 kfree(eerb);
-                unlock_kernel();
                 return -ENOMEM;
         }
         filp->private_data = eerb;
@@ -567,7 +563,6 @@ static int dasd_eer_open(struct inode *inp, struct file *filp)
         list_add(&eerb->list, &bufferlist);
         spin_unlock_irqrestore(&bufferlock, flags);
 
-        unlock_kernel();
         return nonseekable_open(inp,filp);
 }