[S390] avoid default_llseek in s390 drivers

Use nonseekable_open for a couple of s390 device drivers. This avoids
the use of default_llseek function which has a dependency on the BKL.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2 files changed, 2 insertions, 1 deletions

diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index c53f8ac825ca..95c1aaac06cd 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -145,7 +145,7 @@ static int hypfs_open(struct inode *inode, struct file *filp)
                 }
                 mutex_unlock(&fs_info->lock);
         }
-        return 0;
+        return nonseekable_open(inode, filp);
 }
 
 static ssize_t hypfs_aio_read(struct kiocb *iocb, const struct iovec *iov,
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 0168472b2fdf..98192261491d 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -655,6 +655,7 @@ found:
         p_info->act_entry_offset = 0;
         file->private_data = p_info;
         debug_info_get(debug_info);
+        nonseekable_open(inode, file);
 out:
         mutex_unlock(&debug_mutex);
         return rc;