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drm: fix return value check 

class_create() and class_device_create() return error code as a pointer on
failure.  These return values need to be checked by IS_ERR().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Akinobu Mita 2006-12-09 10:49:47 +11:00 committed by Dave Airlie
parent 9202f32558
commit 94f060bd0f
1 changed files with 4 additions and 4 deletions
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8
drivers/char/drm/drm_sysfs.c
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@ -45,8 +45,8 @@ struct class *drm_sysfs_create(struct module *owner, char *name)
int err;
class = class_create(owner, name);
if (!class) {
err = -ENOMEM;
if (IS_ERR(class)) {
err = PTR_ERR(class);
goto err_out;
}
@ -113,8 +113,8 @@ struct class_device *drm_sysfs_device_add(struct class *cs, drm_head_t *head)
MKDEV(DRM_MAJOR, head->minor),
&(head->dev->pdev)->dev,
"card%d", head->minor);
if (!class_dev) {
err = -ENOMEM;
if (IS_ERR(class_dev)) {
err = PTR_ERR(class_dev);
goto err_out;
}