summaryrefslogtreecommitdiff
path: root/drivers/s390/crypto
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2008-05-20 19:15:46 +0200
committerJonathan Corbet <corbet@lwn.net>2008-06-20 14:05:55 -0600
commite73322ceefb2a777dc0ef369a2504bf5c42b8c52 (patch)
tree622a416f2d51090e0de8b49c45e47b3355b35a15 /drivers/s390/crypto
parent135fe10f9fb9fba981f60c5526e37900f52c9705 (diff)
crypto-zcrypt_api: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/s390/crypto')
-rw-r--r--drivers/s390/crypto/zcrypt_api.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 4d36e805a234..e41c2fa86d8b 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -34,6 +34,7 @@
#include <linux/fs.h>
#include <linux/proc_fs.h>
#include <linux/compat.h>
+#include <linux/smp_lock.h>
#include <asm/atomic.h>
#include <asm/uaccess.h>
#include <linux/hw_random.h>
@@ -300,7 +301,9 @@ static ssize_t zcrypt_write(struct file *filp, const char __user *buf,
*/
static int zcrypt_open(struct inode *inode, struct file *filp)
{
+ lock_kernel();
atomic_inc(&zcrypt_open_count);
+ unlock_kernel();
return 0;
}