This patch adds code to validate "iv" buffer before trying to
memcpy the contents
Signed-off-by: Naveen Krishna Chatradhi <ch.nav...@samsung.com>
---
Changes since v1:
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 7c31a5f..220f123 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -398,8 +398,9 @@ static void s5p_set_aes(struct s5p_aes_dev *dev,
struct samsung_aes_varient *var = dev->varient;
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
--
To unsubscribe from this list: send the line "unsubscribe linux-crypto" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
