diff options
Diffstat (limited to 'agent/call-scd.c')
| -rw-r--r-- | agent/call-scd.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/agent/call-scd.c b/agent/call-scd.c index 91e28e68c..3da16e619 100644 --- a/agent/call-scd.c +++ b/agent/call-scd.c @@ -548,7 +548,8 @@ padding_info_cb (void *opaque, const char *line) if ((s=has_leading_keyword (line, "PADDING"))) { - *r_padding = atoi (s); + if (r_padding) + *r_padding = atoi (s); } else if ((s=has_leading_keyword (line, "PINCACHE_PUT"))) err = handle_pincache_put (s); @@ -560,8 +561,8 @@ padding_info_cb (void *opaque, const char *line) /* Decipher INDATA using the current card. Note that the returned * value is not an s-expression but the raw data as returned by * scdaemon. The padding information is stored at R_PADDING with -1 - * for not known. DESC_TEXT is an additional parameter passed to - * GETPIN_CB. */ + * for not known, when it's not NULL. DESC_TEXT is an additional + * parameter passed to GETPIN_CB. */ int agent_card_pkdecrypt (ctrl_t ctrl, const char *keyid, @@ -579,7 +580,8 @@ agent_card_pkdecrypt (ctrl_t ctrl, size_t len; *r_buf = NULL; - *r_padding = -1; /* Unknown. */ + if (r_padding) + *r_padding = -1; /* Unknown. */ rc = start_scd (ctrl); if (rc) return rc; |