crypto: ccree - Add missing clk_disable_unprepare() in cc_pm_resume()

Add clk_disable_unprepare() on error path in cc_pm_resume().

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yuan Can <yuancan@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/ccree/cc_pm.c b/drivers/crypto/ccree/cc_pm.c
index d5421b0c6831cea100af9f5d7111352124e064ea..6124fbbbed946f0a730cbc3a44331f9fb3613303 100644 (file)
--- a/drivers/crypto/ccree/cc_pm.c
+++ b/drivers/crypto/ccree/cc_pm.c
@@ -41,6 +41,7 @@ static int cc_pm_resume(struct device *dev)
        /* wait for Cryptocell reset completion */
        if (!cc_wait_for_reset_completion(drvdata)) {
                dev_err(dev, "Cryptocell reset not completed");
+               clk_disable_unprepare(drvdata->clk);
                return -EBUSY;
        }
 
@@ -48,6 +49,7 @@ static int cc_pm_resume(struct device *dev)
        rc = init_cc_regs(drvdata);
        if (rc) {
                dev_err(dev, "init_cc_regs (%x)\n", rc);
+               clk_disable_unprepare(drvdata->clk);
                return rc;
        }
        /* check if tee fips error occurred during power down */