tpm2: use SIZE_MAX instead of strlen() for unhexmem()

diff --git a/src/shared/tpm2-util.c b/src/shared/tpm2-util.c
index f4b9f4ff33d04704dac935465cf55d613bb4ceed..794474776b0e03de9d69589ca15bb1d412384e50 100644 (file)
--- a/src/shared/tpm2-util.c
+++ b/src/shared/tpm2-util.c
@@ -1738,7 +1738,7 @@ int tpm2_pcr_value_from_string(const char *arg, Tpm2PCRValue *ret_pcr_value) {
 
                 _cleanup_free_ void *buf = NULL;
                 size_t buf_size = 0;
-                r = unhexmem(p, strlen(p), &buf, &buf_size);
+                r = unhexmem(p, SIZE_MAX, &buf, &buf_size);
                 if (r < 0)
                         return log_error_errno(r, "Invalid pcr hash value '%s': %m", p);