From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamie@jamieiles.com (Jamie Iles) Date: Tue, 11 Jan 2011 12:43:53 +0000 Subject: [PATCH 16/16] w1: mxc_w1: don't treat NULL clk as an error In-Reply-To: <1294749833-32019-1-git-send-email-jamie@jamieiles.com> References: <1294749833-32019-1-git-send-email-jamie@jamieiles.com> Message-ID: <1294749833-32019-17-git-send-email-jamie@jamieiles.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org clk_get() returns a struct clk cookie to the driver and some platforms may return NULL if they only support a single clock. clk_get() has only failed if it returns a ERR_PTR() encoded pointer. Cc: Sascha Hauer Cc: linux-arm-kernel at lists.infradead.org Signed-off-by: Jamie Iles --- drivers/w1/masters/mxc_w1.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c index a3b6a74..67ea082 100644 --- a/drivers/w1/masters/mxc_w1.c +++ b/drivers/w1/masters/mxc_w1.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include #include @@ -118,8 +119,8 @@ static int __devinit mxc_w1_probe(struct platform_device *pdev) return -ENOMEM; mdev->clk = clk_get(&pdev->dev, "owire"); - if (!mdev->clk) { - err = -ENODEV; + if (IS_ERR(mdev->clk)) { + err = PTR_ERR(mdev->clk); goto failed_clk; } -- 1.7.3.4