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 <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
