diff options
Diffstat (limited to 'drivers/char/mwave/mwavedd.c')
| -rw-r--r-- | drivers/char/mwave/mwavedd.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c index 8d14823b0514..50243fcd87e8 100644 --- a/drivers/char/mwave/mwavedd.c +++ b/drivers/char/mwave/mwavedd.c @@ -56,6 +56,7 @@ #include <linux/serial.h> #include <linux/sched.h> #include <linux/spinlock.h> +#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/serial_8250.h> #include "smapi.h" @@ -100,6 +101,7 @@ static int mwave_open(struct inode *inode, struct file *file) PRINTK_2(TRACE_MWAVE, "mwavedd::mwave_open, exit return retval %x\n", retval); + cycle_kernel_lock(); return retval; } |