diff options
Diffstat (limited to 'lib/tpm-v2.c')
| -rw-r--r-- | lib/tpm-v2.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/tpm-v2.c b/lib/tpm-v2.c index 1bf627853af..6058f2e1e4f 100644 --- a/lib/tpm-v2.c +++ b/lib/tpm-v2.c @@ -157,6 +157,8 @@ u32 tpm2_pcr_extend(struct udevice *dev, u32 index, u32 algorithm, }; int ret; + if (!digest) + return -EINVAL; /* * Fill the command structure starting from the first buffer: * - the digest |