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From: Christophe Jaillet <christophe.jaillet@wanadoo.fr>
To: herbert@gondor.apana.org.au, davem@davemloft.net
Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org,
Christophe Jaillet <christophe.jaillet@wanadoo.fr>
Subject: [PATCH] crypto: atmel: Free memory in error path
Date: Tue, 20 Jan 2015 08:15:52 +0100 [thread overview]
Message-ID: <1421738152-30462-1-git-send-email-christophe.jaillet@wanadoo.fr> (raw)
If only one of the 2 __get_free_pages fails, then there is a memory leak.
Signed-off-by: Christophe Jaillet <christophe.jaillet@wanadoo.fr>
---
drivers/crypto/atmel-aes.c | 2 +-
drivers/crypto/atmel-tdes.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 53d1c33..6597aac 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -673,9 +673,9 @@ err_map_out:
dma_unmap_single(dd->dev, dd->dma_addr_in, dd->buflen,
DMA_TO_DEVICE);
err_map_in:
+err_alloc:
free_page((unsigned long)dd->buf_out);
free_page((unsigned long)dd->buf_in);
-err_alloc:
if (err)
pr_err("error: %d\n", err);
return err;
diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index 5e7c896..258772d 100644
--- a/drivers/crypto/atmel-tdes.c
+++ b/drivers/crypto/atmel-tdes.c
@@ -376,9 +376,9 @@ err_map_out:
dma_unmap_single(dd->dev, dd->dma_addr_in, dd->buflen,
DMA_TO_DEVICE);
err_map_in:
+err_alloc:
free_page((unsigned long)dd->buf_out);
free_page((unsigned long)dd->buf_in);
-err_alloc:
if (err)
pr_err("error: %d\n", err);
return err;
--
2.1.0
next reply other threads:[~2015-01-20 7:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-20 7:15 Christophe Jaillet [this message]
2015-01-26 2:55 ` Herbert Xu
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