viotape: cdev lock_kernel pushdown ()
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index 58aad638..af03d27 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -46,6 +46,7 @@
#include <linux/completion.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/ioctls.h>
@@ -687,6 +688,7 @@
if (op == NULL)
return -ENOMEM;
+ lock_kernel()
get_dev_info(file->f_path.dentry->d_inode, &devi);
/* Note: We currently only support one mode! */
@@ -717,6 +719,7 @@
free_op:
free_op_struct(op);
+ unlock_kernel();
return ret;
}