linux-kernel - [PATCH] crypto: sa2ul: fix odd_ptr

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Message-ID: <alpine.DEB.2.22.394.2006122320210.8158@hadrien>
Date:   Fri, 12 Jun 2020 23:22:02 +0200 (CEST)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Keerthy <j-keerthy@...com>
cc:     Tero Kristo <t-kristo@...com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        kbuild-all@...ts.01.org
Subject: [PATCH] crypto: sa2ul: fix odd_ptr_err.cocci warnings

From: kernel test robot <lkp@...el.com>

PTR_ERR should normally access the value just tested by IS_ERR

Generated by: scripts/coccinelle/tests/odd_ptr_err.cocci

Fixes: 5b8516f3bedb ("crypto: sa2ul: Add crypto driver")
CC: Keerthy <j-keerthy@...com>
Signed-off-by: kernel test robot <lkp@...el.com>
Signed-off-by: Julia Lawall <julia.lawall@...ia.fr>
---

tree:   git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-linux-5.4.y
head:   134a1b1f8814115e2dd115b67082321bf9e63cc1
commit: 5b8516f3bedb3e1c273e7747b6e4a85c6e47907a [2369/7050] crypto: sa2ul: Add crypto driver
:::::: branch date: 3 hours ago
:::::: commit date: 5 months ago

 sa2ul.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/crypto/sa2ul.c
+++ b/drivers/crypto/sa2ul.c
@@ -1252,14 +1252,14 @@ static int sa_dma_init(struct sa_crypto_
 	dd->dma_rx2 = dma_request_chan(dd->dev, "rx2");
 	if (IS_ERR(dd->dma_rx2)) {
 		dma_release_channel(dd->dma_rx1);
-		if (PTR_ERR(dd->dma_rx1) != -EPROBE_DEFER)
+		if (PTR_ERR(dd->dma_rx2) != -EPROBE_DEFER)
 			dev_err(dd->dev, "Unable to request rx2 DMA channel\n");
 		return PTR_ERR(dd->dma_rx2);
 	}

 	dd->dma_tx = dma_request_chan(dd->dev, "tx");
 	if (IS_ERR(dd->dma_tx)) {
-		if (PTR_ERR(dd->dma_rx1) != -EPROBE_DEFER)
+		if (PTR_ERR(dd->dma_tx) != -EPROBE_DEFER)
 			dev_err(dd->dev, "Unable to request tx DMA channel\n");
 		ret = PTR_ERR(dd->dma_tx);
 		goto err_dma_tx;