From 401606fd708885d28ce3c14a2a8fe612f8a6b50f Mon Sep 17 00:00:00 2001 From: Jean Pihet Date: Wed, 1 Feb 2012 09:37:31 +0100 Subject: [PATCH] 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 Signed-off-by: Kevin Hilman --- arch/arm/mach-omap2/pm-debug.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 4411163e012d..814bcd901596 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, -- GitLab