diff options
| author | Aniroop Mathur <aniroop.mathur@gmail.com> | 2014-12-04 01:27:42 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-12-04 02:27:17 +0300 |
| commit | 939ffb1712890ee22146d2dfc24adbc7da6afa84 (patch) | |
| tree | 32f55ccf440835f0c929b6c7b173ffd87e18f2c6 /drivers/input/serio/serio.c | |
| parent | 9c7d66fa9bb21ef89c6acdd0cf536eb84e760d8b (diff) | |
| download | linux-939ffb1712890ee22146d2dfc24adbc7da6afa84.tar.xz | |
Input: initialize device counter variables with -1
Let's initialize atomic_t variables keeping track of number of various
devices created so far with -1 in order to avoid extra subtraction
operation.
Signed-off-by: Aniroop Mathur <aniroop.mathur@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/serio/serio.c')
| -rw-r--r-- | drivers/input/serio/serio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index d399b8b0f000..a05a5179da32 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -514,7 +514,7 @@ static void serio_release_port(struct device *dev) */ static void serio_init_port(struct serio *serio) { - static atomic_t serio_no = ATOMIC_INIT(0); + static atomic_t serio_no = ATOMIC_INIT(-1); __module_get(THIS_MODULE); @@ -525,7 +525,7 @@ static void serio_init_port(struct serio *serio) mutex_init(&serio->drv_mutex); device_initialize(&serio->dev); dev_set_name(&serio->dev, "serio%lu", - (unsigned long)atomic_inc_return(&serio_no) - 1); + (unsigned long)atomic_inc_return(&serio_no)); serio->dev.bus = &serio_bus; serio->dev.release = serio_release_port; serio->dev.groups = serio_device_attr_groups; |