device_ledger: fix bad memory access on connect error

6 years ago · 03096150c6
parent 25e7a7d96f
commit 03096150c6
1 changed files with 1 additions and 1 deletions
--- a/src/device/device_ledger.cpp
+++ b/src/device/device_ledger.cpp
@ -396,7 +396,7 @@ namespace hw {
        }
      }

-      if (mszReaders) {
+      if (rv == SCARD_S_SUCCESS && mszReaders) {
        #ifdef SCARD_AUTOALLOCATE
        SCardFreeMemory(this->hContext, mszReaders);
        #else