From: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
To: linux-crypto@vger.kernel.org, linux-samsung-soc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, vzapolskiy@gmail.com,
herbert@gondor.apana.org.au, naveenkrishna.ch@gmail.com,
cpgs@samsung.com, devicetree@vger.kernel.org
Subject: [PATCH 7/9 v5] crypto:s5p-sss: validate iv before memcpy
Date: Wed, 29 Jan 2014 14:55:28 +0530 [thread overview]
Message-ID: <1390987528-18862-1-git-send-email-ch.naveen@samsung.com> (raw)
In-Reply-To: <1389243640-13282-1-git-send-email-ch.naveen@samsung.com>
This patch adds code to validate "iv" buffer before trying to
memcpy the contents
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
---
Changes since v4:
None
Changes since v3:
None
drivers/crypto/s5p-sss.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index da1c8943..a890273 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -380,7 +380,8 @@ static void s5p_set_aes(struct s5p_aes_dev *dev,
{
void __iomem *keystart;
- memcpy(dev->aes_ioaddr + SSS_REG_AES_IV_DATA (0), iv, 0x10);
+ if (iv)
+ memcpy(dev->aes_ioaddr + SSS_REG_AES_IV_DATA (0), iv, 0x10);
if (keylen == AES_KEYSIZE_256)
keystart = dev->aes_ioaddr + SSS_REG_AES_KEY_DATA(0);
--
1.7.9.5
parent reply other threads:[~2014-01-29 9:25 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <1389243640-13282-1-git-send-email-ch.naveen@samsung.com>]
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