Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3e6fda5c1159823fc02463eceb564c8bfc0e7a0e
Commit: 3e6fda5c1159823fc02463eceb564c8bfc0e7a0e
Parent: c751670902c3dd9abbed279170a832e6a1e6cf94
Author: Thomas Sujith <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 15 00:59:50 2008 -0500
Committer: Len Brown <[EMAIL PROTECTED]>
CommitDate: Fri Feb 15 18:21:30 2008 -0500
thermal: use ERR_PTR for returning error
Need to return using ERR_PTR instead of NULL
in case of errors.
Signed-off-by: Thomas Sujith <[EMAIL PROTECTED]>
Signed-off-by: Len Brown <[EMAIL PROTECTED]>
---
drivers/thermal/thermal.c | 26 +++++++++++++-------------
1 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/thermal/thermal.c b/drivers/thermal/thermal.c
index 5f1d318..8b86e53 100644
--- a/drivers/thermal/thermal.c
+++ b/drivers/thermal/thermal.c
@@ -448,20 +448,20 @@ struct thermal_cooling_device
*thermal_cooling_device_register(char *type,
int result;
if (strlen(type) >= THERMAL_NAME_LENGTH)
- return NULL;
+ return ERR_PTR(-EINVAL);
if (!ops || !ops->get_max_state || !ops->get_cur_state ||
!ops->set_cur_state)
- return NULL;
+ return ERR_PTR(-EINVAL);
cdev = kzalloc(sizeof(struct thermal_cooling_device), GFP_KERNEL);
if (!cdev)
- return NULL;
+ return ERR_PTR(-ENOMEM);
result = get_idr(&thermal_cdev_idr, &thermal_idr_lock, &cdev->id);
if (result) {
kfree(cdev);
- return NULL;
+ return ERR_PTR(result);
}
strcpy(cdev->type, type);
@@ -473,7 +473,7 @@ struct thermal_cooling_device
*thermal_cooling_device_register(char *type,
if (result) {
release_idr(&thermal_cdev_idr, &thermal_idr_lock, cdev->id);
kfree(cdev);
- return NULL;
+ return ERR_PTR(result);
}
/* sys I/F */
@@ -509,7 +509,7 @@ struct thermal_cooling_device
*thermal_cooling_device_register(char *type,
unregister:
release_idr(&thermal_cdev_idr, &thermal_idr_lock, cdev->id);
device_unregister(&cdev->device);
- return NULL;
+ return ERR_PTR(result);
}
EXPORT_SYMBOL(thermal_cooling_device_register);
@@ -581,17 +581,17 @@ struct thermal_zone_device
*thermal_zone_device_register(char *type,
int count;
if (strlen(type) >= THERMAL_NAME_LENGTH)
- return NULL;
+ return ERR_PTR(-EINVAL);
if (trips > THERMAL_MAX_TRIPS || trips < 0)
- return NULL;
+ return ERR_PTR(-EINVAL);
if (!ops || !ops->get_temp)
- return NULL;
+ return ERR_PTR(-EINVAL);
tz = kzalloc(sizeof(struct thermal_zone_device), GFP_KERNEL);
if (!tz)
- return NULL;
+ return ERR_PTR(-ENOMEM);
INIT_LIST_HEAD(&tz->cooling_devices);
idr_init(&tz->idr);
@@ -599,7 +599,7 @@ struct thermal_zone_device
*thermal_zone_device_register(char *type,
result = get_idr(&thermal_tz_idr, &thermal_idr_lock, &tz->id);
if (result) {
kfree(tz);
- return NULL;
+ return ERR_PTR(result);
}
strcpy(tz->type, type);
@@ -612,7 +612,7 @@ struct thermal_zone_device
*thermal_zone_device_register(char *type,
if (result) {
release_idr(&thermal_tz_idr, &thermal_idr_lock, tz->id);
kfree(tz);
- return NULL;
+ return ERR_PTR(result);
}
/* sys I/F */
@@ -654,7 +654,7 @@ struct thermal_zone_device
*thermal_zone_device_register(char *type,
unregister:
release_idr(&thermal_tz_idr, &thermal_idr_lock, tz->id);
device_unregister(&tz->device);
- return NULL;
+ return ERR_PTR(result);
}
EXPORT_SYMBOL(thermal_zone_device_register);
-
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