From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Tue, 20 Aug 2013 08:51:41 +0000 Subject: [patch] crypto: sahara - checking the wrong variable Message-Id: <20130820085141.GA7469@elgon.mountain> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Herbert Xu Cc: "David S. Miller" , Grant Likely , Rob Herring , linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, kernel-janitors@vger.kernel.org There is a typo here. "dev->hw_link[]" is an array, not a pointer, so the check is nonsense. We should be checking recently allocated "dev->hw_link[0]" instead. Signed-off-by: Dan Carpenter diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c index b076d81..d7bb8ba 100644 --- a/drivers/crypto/sahara.c +++ b/drivers/crypto/sahara.c @@ -955,7 +955,7 @@ static int sahara_probe(struct platform_device *pdev) dev->hw_link[0] = dma_alloc_coherent(&pdev->dev, SAHARA_MAX_HW_LINK * sizeof(struct sahara_hw_link), &dev->hw_phys_link[0], GFP_KERNEL); - if (!dev->hw_link) { + if (!dev->hw_link[0]) { dev_err(&pdev->dev, "Could not allocate hw links\n"); err = -ENOMEM; goto err_link;