diff options
| author | Ian Abbott <abbotti@mev.co.uk> | 2013-03-15 13:15:34 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-15 16:16:31 (GMT) |
| commit | 13f12b5aea501bce146cdf213d1819083aadc847 (patch) | |
| tree | 78e645fcfcbcec587767c083faf1fae04f97364c /drivers/staging | |
| parent | a7401cddcdf739d3cb9598c9b3787a732fc87809 (diff) | |
| download | linux-fsl-qoriq-13f12b5aea501bce146cdf213d1819083aadc847.tar.xz | |
staging: comedi: make 'in_request_module' a bool bit-field
Change the `in_request_module` member of `struct comedi_device` to a
1-bit bit-field of type `bool` and move it into a suitable hole in the
data type to save a few bytes. Change the assigned values to `true` and
`false`.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 12 | ||||
| -rw-r--r-- | drivers/staging/comedi/comedidev.h | 2 |
2 files changed, 7 insertions, 7 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index e336b28..6bcbb52 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2067,12 +2067,12 @@ static int comedi_open(struct inode *inode, struct file *file) /* This is slightly hacky, but we want module autoloading * to work for root. * case: user opens device, attached -> ok - * case: user opens device, unattached, in_request_module=0 -> autoload - * case: user opens device, unattached, in_request_module=1 -> fail + * case: user opens device, unattached, !in_request_module -> autoload + * case: user opens device, unattached, in_request_module -> fail * case: root opens device, attached -> ok - * case: root opens device, unattached, in_request_module=1 -> ok + * case: root opens device, unattached, in_request_module -> ok * (typically called from modprobe) - * case: root opens device, unattached, in_request_module=0 -> autoload + * case: root opens device, unattached, !in_request_module -> autoload * * The last could be changed to "-> ok", which would deny root * autoloading. @@ -2088,7 +2088,7 @@ static int comedi_open(struct inode *inode, struct file *file) if (capable(CAP_NET_ADMIN) && dev->in_request_module) goto ok; - dev->in_request_module = 1; + dev->in_request_module = true; #ifdef CONFIG_KMOD mutex_unlock(&dev->mutex); @@ -2096,7 +2096,7 @@ static int comedi_open(struct inode *inode, struct file *file) mutex_lock(&dev->mutex); #endif - dev->in_request_module = 0; + dev->in_request_module = false; if (!dev->attached && !capable(CAP_NET_ADMIN)) { DPRINTK("not attached and not CAP_NET_ADMIN\n"); diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index bdd2936..86de4ff 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -208,9 +208,9 @@ struct comedi_device { const char *board_name; const void *board_ptr; bool attached:1; + bool in_request_module:1; spinlock_t spinlock; struct mutex mutex; - int in_request_module; int n_subdevices; struct comedi_subdevice *subdevices; |