Here, Clock enable can failed. So adding an error check for clk_prepare_enable.
Signed-off-by: Arvind Yadav <[email protected]> --- drivers/crypto/img-hash.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c index 9b07f3d8..0c6a917 100644 --- a/drivers/crypto/img-hash.c +++ b/drivers/crypto/img-hash.c @@ -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; } -- 1.9.1
