[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 c53f8ac..95c1aaa 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 0168472..9819226 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;