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-rw-r--r--drivers/message/i2o/driver.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/message/i2o/driver.c b/drivers/message/i2o/driver.c
index d3235f213c8..e0d474b1743 100644
--- a/drivers/message/i2o/driver.c
+++ b/drivers/message/i2o/driver.c
@@ -123,8 +123,12 @@ int i2o_driver_register(struct i2o_driver *drv)
}
rc = driver_register(&drv->driver);
- if (rc)
- destroy_workqueue(drv->event_queue);
+ if (rc) {
+ if (drv->event) {
+ destroy_workqueue(drv->event_queue);
+ drv->event_queue = NULL;
+ }
+ }
return rc;
};
@@ -256,7 +260,7 @@ void i2o_driver_notify_controller_add_all(struct i2o_controller *c)
int i;
struct i2o_driver *drv;
- for (i = 0; i < I2O_MAX_DRIVERS; i++) {
+ for (i = 0; i < i2o_max_drivers; i++) {
drv = i2o_drivers[i];
if (drv)
@@ -276,7 +280,7 @@ void i2o_driver_notify_controller_remove_all(struct i2o_controller *c)
int i;
struct i2o_driver *drv;
- for (i = 0; i < I2O_MAX_DRIVERS; i++) {
+ for (i = 0; i < i2o_max_drivers; i++) {
drv = i2o_drivers[i];
if (drv)
@@ -295,7 +299,7 @@ void i2o_driver_notify_device_add_all(struct i2o_device *i2o_dev)
int i;
struct i2o_driver *drv;
- for (i = 0; i < I2O_MAX_DRIVERS; i++) {
+ for (i = 0; i < i2o_max_drivers; i++) {
drv = i2o_drivers[i];
if (drv)
@@ -314,7 +318,7 @@ void i2o_driver_notify_device_remove_all(struct i2o_device *i2o_dev)
int i;
struct i2o_driver *drv;
- for (i = 0; i < I2O_MAX_DRIVERS; i++) {
+ for (i = 0; i < i2o_max_drivers; i++) {
drv = i2o_drivers[i];
if (drv)
@@ -335,17 +339,15 @@ int __init i2o_driver_init(void)
spin_lock_init(&i2o_drivers_lock);
- if ((i2o_max_drivers < 2) || (i2o_max_drivers > 64) ||
- ((i2o_max_drivers ^ (i2o_max_drivers - 1)) !=
- (2 * i2o_max_drivers - 1))) {
- osm_warn("max_drivers set to %d, but must be >=2 and <= 64 and "
- "a power of 2\n", i2o_max_drivers);
+ if ((i2o_max_drivers < 2) || (i2o_max_drivers > 64)) {
+ osm_warn("max_drivers set to %d, but must be >=2 and <= 64\n",
+ i2o_max_drivers);
i2o_max_drivers = I2O_MAX_DRIVERS;
}
osm_info("max drivers = %d\n", i2o_max_drivers);
i2o_drivers =
- kzalloc(i2o_max_drivers * sizeof(*i2o_drivers), GFP_KERNEL);
+ kcalloc(i2o_max_drivers, sizeof(*i2o_drivers), GFP_KERNEL);
if (!i2o_drivers)
return -ENOMEM;