mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Yuan Can <yuancan@huawei.com>
To: <linux-kernel@vger.kernel.org>
Cc: <linux-crypto@vger.kernel.org>, <davem@davemloft.net>,
	<herbert@gondor.apana.org.au>, <gilad@benyossef.com>,
	<yuancan@huawei.com>
Subject: [PATCH -next] crypto: ccree: Add missing clk_disable_unprepare() in cc_pm_resume()
Date: Mon, 4 Jul 2022 13:01:45 +0000	[thread overview]
Message-ID: <20220704130145.103520-1-yuancan@huawei.com> (raw)

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>
---
 drivers/crypto/ccree/cc_pm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/crypto/ccree/cc_pm.c b/drivers/crypto/ccree/cc_pm.c
index d5421b0c6831..6124fbbbed94 100644
--- 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 */
-- 
2.17.1


             reply	other threads:[~2022-07-04 13:03 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-04 13:01 Yuan Can [this message]
2022-07-15  8:47 ` Herbert Xu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220704130145.103520-1-yuancan@huawei.com \
    --to=yuancan@huawei.com \
    --cc=davem@davemloft.net \
    --cc=gilad@benyossef.com \
    --cc=herbert@gondor.apana.org.au \
    --cc=linux-crypto@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®