diff options
| -rw-r--r-- | security/keys/trusted_defined.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/security/keys/trusted_defined.c b/security/keys/trusted_defined.c index 7b217958906..f7d06776faf 100644 --- a/security/keys/trusted_defined.c +++ b/security/keys/trusted_defined.c @@ -148,6 +148,11 @@ static int TSS_authhmac(unsigned char *digest, const unsigned char *key, if (dlen == 0) break; data = va_arg(argp, unsigned char *); + if (!data) { + ret = -EINVAL; + va_end(argp); + goto out; + } ret = crypto_shash_update(&sdesc->shash, data, dlen); if (ret < 0) { va_end(argp); |