Messages in this thread Patch in this message | | | From | Naveen Krishna Chatradhi <> | Subject | [PATCH 7/8 v3] crypto:s5p-sss: validate iv before memcpy | Date | Fri, 10 Jan 2014 17:15:21 +0530 |
| |
This patch adds code to validate "iv" buffer before trying to memcpy the contents
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> --- Changes since v2: None
drivers/crypto/s5p-sss.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index f274f5f..7058bb6 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -381,8 +381,9 @@ static void s5p_set_aes(struct s5p_aes_dev *dev, struct samsung_aes_variant *var = dev->variant; void __iomem *keystart; - memcpy(dev->ioaddr + SSS_REG_AES_IV_DATA - (var->aes_offset, 0), iv, 0x10); + if (iv) + memcpy(dev->ioaddr + SSS_REG_AES_IV_DATA + (var->aes_offset, 0), iv, 0x10); if (keylen == AES_KEYSIZE_256) keystart = dev->ioaddr + -- 1.7.9.5
| |