commit bbf19db37e8be3fa6d6fe3e26e50da068b44a0e8
author Kristian Høgsberg <krh@redhat.com> Tue Feb 06 14:49:38 2007 -0500
committer Stefan Richter <stefanr@s5r6.in-berlin.de> Fri Mar 09 22:02:54 2007 +0100
tree d324cb9e52aeea485ce1c6293c51800bb4e4deeb
parent 362c2c8ca4a2f33f6e23a85c3b4caf64f1ce4bf9

firewire: Use atomic_t's for serial numbers.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>

Use atomic_inc_return.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

drivers/firewire/fw-card.c

diff --git a/drivers/firewire/fw-card.c b/drivers/firewire/fw-card.c
index f785b10..3f8661a 100644
--- a/drivers/firewire/fw-card.c
+++ b/drivers/firewire/fw-card.c
@@ -367,9 +367,9 @@
 fw_card_initialize(struct fw_card *card, const struct fw_card_driver *driver,
 		   struct device *device)
 {
-	static int index;
+	static atomic_t index = ATOMIC_INIT(-1);
 
-	card->index = index++;
+	card->index = atomic_inc_return(&index);
 	card->driver = driver;
 	card->device = device;
 	card->current_tlabel = 0;