always reset the context to SCARD_INVALID_CONTEXT after release

2015-11-11 15:02:55 +01:00
parent f2a3a3acc1
commit 41b3b50613
1 changed files with 3 additions and 0 deletions
@@ -195,6 +195,7 @@ ykpiv_rc ykpiv_connect(ykpiv_state *state, const char *wanted) {
      fprintf(stderr, "error: no useable reader found.\n");
    }
    SCardReleaseContext(state->context);
+    state->context = SCARD_E_INVALID_HANDLE;
    return YKPIV_PCSC_ERROR;
  }

@@ -221,6 +222,7 @@ ykpiv_rc ykpiv_list_readers(ykpiv_state *state, char *readers, size_t *len) {
      fprintf (stderr, "error: SCardListReaders failed, rc=%08lx\n", rc);
    }
    SCardReleaseContext(state->context);
+    state->context = SCARD_E_INVALID_HANDLE;
    return YKPIV_PCSC_ERROR;
  }

@@ -235,6 +237,7 @@ ykpiv_rc ykpiv_list_readers(ykpiv_state *state, char *readers, size_t *len) {
      fprintf (stderr, "error: SCardListReaders failed, rc=%08lx\n", rc);
    }
    SCardReleaseContext(state->context);
+    state->context = SCARD_E_INVALID_HANDLE;
    return YKPIV_PCSC_ERROR;
  }