ARM: OMAP2+: PM debug: fix the use of debugfs_create_* API

Check the return code pointer value from debugfs_create_dir for error
or NULL.
Also added an additional check to prevent the creation of a 'suspend'
entry at the debugfs root in case a power domain directory cannot be
created.

Signed-off-by: Jean Pihet <j-pihet@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
This commit is contained in:
Jean Pihet 2012-02-01 09:37:31 +01:00 committed by Kevin Hilman
parent 92206fd292
commit 401606fd70
1 changed files with 3 additions and 3 deletions

View File

@ -220,8 +220,8 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *dir)
return 0;
d = debugfs_create_dir(pwrdm->name, (struct dentry *)dir);
(void) debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d,
if (!(IS_ERR_OR_NULL(d)))
(void) debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d,
(void *)pwrdm, &pwrdm_suspend_fops);
return 0;
@ -264,7 +264,7 @@ static int __init pm_dbg_init(void)
return 0;
d = debugfs_create_dir("pm_debug", NULL);
if (IS_ERR(d))
if (IS_ERR_OR_NULL(d))
return PTR_ERR(d);
(void) debugfs_create_file("count", S_IRUGO,