Hi Simon,

Acked-by: Christophe Ricard <christophe-h.ric...@st.com>

Best Regards
Christophe

On 11/08/2015 16:48, Simon Glass wrote:
Rather then crashing when there is no data, print an error.

Signed-off-by: Simon Glass <s...@chromium.org>
---

  common/cmd_tpm.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/common/cmd_tpm.c b/common/cmd_tpm.c
index f48ab04..2783895 100644
--- a/common/cmd_tpm.c
+++ b/common/cmd_tpm.c
@@ -58,6 +58,8 @@ static void *parse_byte_string(char *bytes, uint8_t *data, 
size_t *count_ptr)
        size_t count, length;
        int i;
+ if (!bytes)
+               return NULL;
        length = strlen(bytes);
        count = length / 2;

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