diff options
Diffstat (limited to 'drivers/isdn/capi')
| -rw-r--r-- | drivers/isdn/capi/capi.c | 17 | ||||
| -rw-r--r-- | drivers/isdn/capi/kcapi.c | 6 |
2 files changed, 20 insertions, 3 deletions
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index ee58375..0cabe31 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -787,8 +787,7 @@ capi_poll(struct file *file, poll_table * wait) } static int -capi_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +capi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct capidev *cdev = file->private_data; capi_ioctl_struct data; @@ -981,6 +980,18 @@ register_out: } } +static long +capi_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + int ret; + + lock_kernel(); + ret = capi_ioctl(file, cmd, arg); + unlock_kernel(); + + return ret; +} + static int capi_open(struct inode *inode, struct file *file) { struct capidev *cdev; @@ -1026,7 +1037,7 @@ static const struct file_operations capi_fops = .read = capi_read, .write = capi_write, .poll = capi_poll, - .ioctl = capi_ioctl, + .unlocked_ioctl = capi_unlocked_ioctl, .open = capi_open, .release = capi_release, }; diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c index bd00dce..bde3c88 100644 --- a/drivers/isdn/capi/kcapi.c +++ b/drivers/isdn/capi/kcapi.c @@ -1147,6 +1147,12 @@ load_unlock_out: if (ctr->state == CAPI_CTR_DETECTED) goto reset_unlock_out; + if (ctr->reset_ctr == NULL) { + printk(KERN_DEBUG "kcapi: reset: no reset function\n"); + retval = -ESRCH; + goto reset_unlock_out; + } + ctr->reset_ctr(ctr); retval = wait_on_ctr_state(ctr, CAPI_CTR_DETECTED); |
