Commit 5f052c9c authored by Arvind Yadav's avatar Arvind Yadav Committed by Herbert Xu
Browse files

crypto: img-hash - Handle return value of clk_prepare_enable 



Here, Clock enable can failed. So adding an error check for
clk_prepare_enable.

Signed-off-by: default avatarArvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 986130bf

drivers/crypto/img-hash.c

+10 −2
Original line number Diff line number Diff line
@@ -1088,9 +1088,17 @@ static int img_hash_suspend(struct device *dev) 
static int img_hash_resume(struct device *dev)

{

	struct img_hash_dev *hdev = dev_get_drvdata(dev);

	int ret;



	clk_prepare_enable(hdev->hash_clk);

	clk_prepare_enable(hdev->sys_clk);

	ret = clk_prepare_enable(hdev->hash_clk);

	if (ret)

		return ret;



	ret = clk_prepare_enable(hdev->sys_clk);

	if (ret) {

		clk_disable_unprepare(hdev->hash_clk);

		return ret;

	}



	return 0;

}