diff options
Diffstat (limited to 'drivers/char/apm-emulation.c')
| -rw-r--r-- | drivers/char/apm-emulation.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c index 45b987c9889e..548708c4b2b8 100644 --- a/drivers/char/apm-emulation.c +++ b/drivers/char/apm-emulation.c @@ -126,7 +126,6 @@ struct apm_user { /* * Local variables */ -static DEFINE_MUTEX(apm_mutex); static atomic_t suspend_acks_pending = ATOMIC_INIT(0); static atomic_t userspace_notification_inhibit = ATOMIC_INIT(0); static int apm_disabled; @@ -275,7 +274,6 @@ apm_ioctl(struct file *filp, u_int cmd, u_long arg) if (!as->suser || !as->writer) return -EPERM; - mutex_lock(&apm_mutex); switch (cmd) { case APM_IOC_SUSPEND: mutex_lock(&state_lock); @@ -336,7 +334,6 @@ apm_ioctl(struct file *filp, u_int cmd, u_long arg) mutex_unlock(&state_lock); break; } - mutex_unlock(&apm_mutex); return err; } @@ -371,7 +368,6 @@ static int apm_open(struct inode * inode, struct file * filp) { struct apm_user *as; - mutex_lock(&apm_mutex); as = kzalloc(sizeof(*as), GFP_KERNEL); if (as) { /* @@ -391,7 +387,6 @@ static int apm_open(struct inode * inode, struct file * filp) filp->private_data = as; } - mutex_unlock(&apm_mutex); return as ? 0 : -ENOMEM; } |