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i2o: fix notifiers when max_drivers is configured 

Maximum number of I2O drivers which could be registered is configurable by
max_drivers module parameter.

But the module parameter is ignored and default value (I2O_MAX_DRIVERS = 8)
is used in the loops to notify all registered drivers.

Cc: Markus Lidel <Markus.Lidel@shadowconnect.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Akinobu Mita 2007-05-23 13:58:06 -07:00 committed by Linus Torvalds
parent e578e9a1cc
commit be324797d9
1 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/message/i2o/driver.c
View File

@ -20,6 +20,7 @@
#include <linux/workqueue.h> #include <linux/workqueue.h>
#include <linux/string.h> #include <linux/string.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/log2.h>
#include "core.h" #include "core.h"
#define OSM_NAME "i2o" #define OSM_NAME "i2o"
@ -260,7 +261,7 @@ void i2o_driver_notify_controller_add_all(struct i2o_controller *c)
int i; int i;
struct i2o_driver *drv; struct i2o_driver *drv;
for (i = 0; i < I2O_MAX_DRIVERS; i++) { for (i = 0; i < i2o_max_drivers; i++) {
drv = i2o_drivers[i]; drv = i2o_drivers[i];
if (drv) if (drv)
@ -280,7 +281,7 @@ void i2o_driver_notify_controller_remove_all(struct i2o_controller *c)
int i; int i;
struct i2o_driver *drv; struct i2o_driver *drv;
for (i = 0; i < I2O_MAX_DRIVERS; i++) { for (i = 0; i < i2o_max_drivers; i++) {
drv = i2o_drivers[i]; drv = i2o_drivers[i];
if (drv) if (drv)
@ -299,7 +300,7 @@ void i2o_driver_notify_device_add_all(struct i2o_device *i2o_dev)
int i; int i;
struct i2o_driver *drv; struct i2o_driver *drv;
for (i = 0; i < I2O_MAX_DRIVERS; i++) { for (i = 0; i < i2o_max_drivers; i++) {
drv = i2o_drivers[i]; drv = i2o_drivers[i];
if (drv) if (drv)
@ -318,7 +319,7 @@ void i2o_driver_notify_device_remove_all(struct i2o_device *i2o_dev)
int i; int i;
struct i2o_driver *drv; struct i2o_driver *drv;
for (i = 0; i < I2O_MAX_DRIVERS; i++) { for (i = 0; i < i2o_max_drivers; i++) {
drv = i2o_drivers[i]; drv = i2o_drivers[i];
if (drv) if (drv)
@ -340,8 +341,7 @@ int __init i2o_driver_init(void)
spin_lock_init(&i2o_drivers_lock); spin_lock_init(&i2o_drivers_lock);
if ((i2o_max_drivers < 2) || (i2o_max_drivers > 64) || if ((i2o_max_drivers < 2) || (i2o_max_drivers > 64) ||
((i2o_max_drivers ^ (i2o_max_drivers - 1)) != !is_power_of_2(i2o_max_drivers)) {
(2 * i2o_max_drivers - 1))) {
osm_warn("max_drivers set to %d, but must be >=2 and <= 64 and " osm_warn("max_drivers set to %d, but must be >=2 and <= 64 and "
"a power of 2\n", i2o_max_drivers); "a power of 2\n", i2o_max_drivers);
i2o_max_drivers = I2O_MAX_DRIVERS; i2o_max_drivers = I2O_MAX_DRIVERS;
@ -349,7 +349,7 @@ int __init i2o_driver_init(void)
osm_info("max drivers = %d\n", i2o_max_drivers); osm_info("max drivers = %d\n", i2o_max_drivers);
i2o_drivers = i2o_drivers =
kzalloc(i2o_max_drivers * sizeof(*i2o_drivers), GFP_KERNEL); kcalloc(i2o_max_drivers, sizeof(*i2o_drivers), GFP_KERNEL);
if (!i2o_drivers) if (!i2o_drivers)
return -ENOMEM; return -ENOMEM;