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authorAniroop Mathur <aniroop.mathur@gmail.com>2014-12-03 14:27:42 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-12-03 15:27:17 -0800
commit939ffb1712890ee22146d2dfc24adbc7da6afa84 (patch)
tree32f55ccf440835f0c929b6c7b173ffd87e18f2c6 /drivers/input/serio/serio.c
parent9c7d66fa9bb21ef89c6acdd0cf536eb84e760d8b (diff)
downloadop-kernel-dev-939ffb1712890ee22146d2dfc24adbc7da6afa84.zip
op-kernel-dev-939ffb1712890ee22146d2dfc24adbc7da6afa84.tar.gz
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.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index d399b8b..a05a517 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;
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