[PATCH] lib: rsa: rsa-verify: also check that padding is not NULL

[Philippe Reynes]

This commit adds a check on the padding in the function rsa_verify_key
to avoid using a NULL pointer.

Signed-off-by: Philippe Reynes <philippe.reynes at softathome.com>
---
 lib/rsa/rsa-verify.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rsa/rsa-verify.c b/lib/rsa/rsa-verify.c
index 600c93ab81..83f7564101 100644
--- a/lib/rsa/rsa-verify.c
+++ b/lib/rsa/rsa-verify.c
@@ -340,7 +340,7 @@ static int rsa_verify_key(struct image_sign_info *info,
 	struct padding_algo *padding = info->padding;
 	int hash_len;
 
-	if (!prop || !sig || !hash || !checksum)
+	if (!prop || !sig || !hash || !checksum || !padding)
 		return -EIO;
 
 	if (sig_len != (prop->num_bits / 8)) {
-- 
2.17.1