Merge commit '85082fd7cbe3173198aac0eb5e85ab1edcc6352c' into test-build

Manual fixup of:

	arch/powerpc/Kconfig

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index d4db42ca71e6..e5da98d8f9cd 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -699,6 +699,7 @@ static int viotap_open(struct inode *inode, struct file *file)
         if (op == NULL)
                 return -ENOMEM;
 
+        lock_kernel();
         get_dev_info(file->f_path.dentry->d_inode, &devi);
 
         /* Note: We currently only support one mode! */
@@ -729,6 +730,7 @@ static int viotap_open(struct inode *inode, struct file *file)
 
 free_op:
         free_op_struct(op);
+        unlock_kernel();
         return ret;
 }