Linux cryptographic layer development
 help / color / mirror / Atom feed
From: Thorsten Blum <blum@kernel.org>
To: Herbert Xu <herbert@gondor.apana.org.au>,
	"David S. Miller" <davem@davemloft.net>,
	Nicolas Ferre <nicolas.ferre@microchip.com>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Claudiu Beznea <claudiu.beznea@tuxon.dev>
Cc: Thorsten Blum <blum@kernel.org>,
	linux-crypto@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 3/3] crypto: atmel-tdes - consolidate error paths in atmel_tdes_dma_init()
Date: Sun, 11 Oct 2026 15:15:58 +0200	[thread overview]
Message-ID: <20261011131556.272382-6-blum@kernel.org> (raw)
In-Reply-To: <20261011131556.272382-4-blum@kernel.org>

Release the DMA channel directly and consolidate the error paths.

Signed-off-by: Thorsten Blum <blum@kernel.org>
---
 drivers/crypto/atmel-tdes.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index f92dc2fff50c..6b561b333ac6 100644
--- a/drivers/crypto/atmel-tdes.c
+++ b/drivers/crypto/atmel-tdes.c
@@ -633,7 +633,7 @@ static int atmel_tdes_dma_init(struct atmel_tdes_dev *dd)
 	dd->dma_lch_in.chan = dma_request_chan(dd->dev, "tx");
 	if (IS_ERR(dd->dma_lch_in.chan)) {
 		ret = PTR_ERR(dd->dma_lch_in.chan);
-		goto err_dma_in;
+		goto err_dma;
 	}
 
 	dd->dma_lch_in.dma_conf.dst_addr = dd->phys_base +
@@ -649,7 +649,8 @@ static int atmel_tdes_dma_init(struct atmel_tdes_dev *dd)
 	dd->dma_lch_out.chan = dma_request_chan(dd->dev, "rx");
 	if (IS_ERR(dd->dma_lch_out.chan)) {
 		ret = PTR_ERR(dd->dma_lch_out.chan);
-		goto err_dma_out;
+		dma_release_channel(dd->dma_lch_in.chan);
+		goto err_dma;
 	}
 
 	dd->dma_lch_out.dma_conf.src_addr = dd->phys_base +
@@ -664,9 +665,7 @@ static int atmel_tdes_dma_init(struct atmel_tdes_dev *dd)
 
 	return 0;
 
-err_dma_out:
-	dma_release_channel(dd->dma_lch_in.chan);
-err_dma_in:
+err_dma:
 	dev_err(dd->dev, "no DMA channel available\n");
 	return ret;
 }

      parent reply	other threads:[~2026-10-11 13:16 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-11 13:15 [PATCH 1/3] crypto: atmel-tdes - use separate DMA scatterlists Thorsten Blum
2026-10-11 13:15 ` [PATCH 2/3] crypto: atmel-tdes - reuse fast in atmel_tdes_crypt_start() Thorsten Blum
2026-10-11 13:15 ` Thorsten Blum [this message]

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=20261011131556.272382-6-blum@kernel.org \
    --to=blum@kernel.org \
    --cc=alexandre.belloni@bootlin.com \
    --cc=claudiu.beznea@tuxon.dev \
    --cc=davem@davemloft.net \
    --cc=herbert@gondor.apana.org.au \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-crypto@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=nicolas.ferre@microchip.com \
    /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