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@xxxxxx>
---
arch/arm/mach-omap2/pm-debug.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c
index 4411163..814bcd9 100644
--- a/arch/arm/mach-omap2/pm-debug.c
+++ b/arch/arm/mach-omap2/pm-debug.c
@@ -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,
--
1.7.5.4
--
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