linux-kernel - [PATCH] crypto: ccp - Fix a resource leak in an error handling path

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Message-Id: <4af832b7e75b729ebfb0f07fe039dc47712512c2.1621146079.git.christophe.jaillet@wanadoo.fr>
Date:   Sun, 16 May 2021 08:58:04 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     thomas.lendacky@....com, john.allen@....com,
        herbert@...dor.apana.org.au, davem@...emloft.net,
        gary.hook@....com, brijesh.singh@....com
Cc:     linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] crypto: ccp - Fix a resource leak in an error handling path

If an error occurs after calling 'sp_get_irqs()', 'sp_free_irqs()' must be
called as already done in the error handling path.

Fixes: f4d18d656f88 ("crypto: ccp - Abstract interrupt registeration")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/crypto/ccp/sp-pci.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/ccp/sp-pci.c b/drivers/crypto/ccp/sp-pci.c
index f468594ef8af..6fb6ba35f89d 100644
--- a/drivers/crypto/ccp/sp-pci.c
+++ b/drivers/crypto/ccp/sp-pci.c
@@ -222,7 +222,7 @@ static int sp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		if (ret) {
 			dev_err(dev, "dma_set_mask_and_coherent failed (%d)\n",
 				ret);
-			goto e_err;
+			goto free_irqs;
 		}
 	}
 
@@ -230,10 +230,12 @@ static int sp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	ret = sp_init(sp);
 	if (ret)
-		goto e_err;
+		goto free_irqs;
 
 	return 0;
 
+free_irqs:
+	sp_free_irqs(sp);
 e_err:
 	dev_notice(dev, "initialization failed\n");
 	return ret;
-- 
2.30.2