From mboxrd@z Thu Jan 1 00:00:00 1970 From: Devendra Naga Subject: [PATCH] arm: mach-tegra: check wether we have debugfs enabled or not Date: Wed, 17 Oct 2012 15:13:16 -0400 Message-ID: <1350501196-5632-1-git-send-email-devendra.aaru@gmail.com> Return-path: Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Stephen Warren , Russell King , linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Devendra Naga List-Id: linux-tegra@vger.kernel.org if debugfs is not enabled in kernel it returns -ENODEV, check it with IS_ERR_OR_NULL along with the null return if it fails to create a file in debugfs. Signed-off-by: Devendra Naga --- arch/arm/mach-tegra/powergate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-tegra/powergate.c b/arch/arm/mach-tegra/powergate.c index de0662d..1809b91d 100644 --- a/arch/arm/mach-tegra/powergate.c +++ b/arch/arm/mach-tegra/powergate.c @@ -269,7 +269,7 @@ int __init tegra_powergate_debugfs_init(void) if (powergate_name) { d = debugfs_create_file("powergate", S_IRUGO, NULL, NULL, &powergate_fops); - if (!d) + if (IS_ERR_OR_NULL(d)) return -ENOMEM; } -- 1.7.10.4