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

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@softathome.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/lib/rsa/rsa-verify.c b/lib/rsa/rsa-verify.c
index 600c93a..83f7564 100644 (file)
--- 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)) {