diff options
Diffstat (limited to 'arch/s390/crypto/prng.c')
| -rw-r--r-- | arch/s390/crypto/prng.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c index 6a4300b3ff5..eca724d229e 100644 --- a/arch/s390/crypto/prng.c +++ b/arch/s390/crypto/prng.c @@ -6,6 +6,7 @@ #include <linux/fs.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/smp_lock.h> #include <linux/miscdevice.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -48,6 +49,7 @@ static unsigned char parm_block[32] = { static int prng_open(struct inode *inode, struct file *file) { + cycle_kernel_lock(); return nonseekable_open(inode, file); } |