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Fixed zero lenght allocation.

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This commit is contained in:
Armin Novak 2015-09-01 11:58:43 +02:00
parent 08f61e60ca
commit aa43f3b5df
1 changed files with 9 additions and 3 deletions
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12
channels/smartcard/client/smartcard_operations.c
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@ -474,7 +474,9 @@ static LONG smartcard_GetStatusChangeA_Call(SMARTCARD_DEVICE* smartcard, SMARTCA
}
ret.cReaders = call->cReaders;
ret.rgReaderStates = (ReaderState_Return*) calloc(ret.cReaders, sizeof(ReaderState_Return));
ret.rgReaderStates = NULL;
if (ret.cReaders > 0)
ret.rgReaderStates = (ReaderState_Return*) calloc(ret.cReaders, sizeof(ReaderState_Return));
if (!ret.rgReaderStates)
return STATUS_NO_MEMORY;
@ -539,7 +541,9 @@ static LONG smartcard_GetStatusChangeW_Call(SMARTCARD_DEVICE* smartcard, SMARTCA
}
ret.cReaders = call->cReaders;
ret.rgReaderStates = (ReaderState_Return*) calloc(ret.cReaders, sizeof(ReaderState_Return));
ret.rgReaderStates = NULL;
if (ret.cReaders)
ret.rgReaderStates = (ReaderState_Return*) calloc(ret.cReaders, sizeof(ReaderState_Return));
if (!ret.rgReaderStates)
return STATUS_NO_MEMORY;
@ -1231,7 +1235,9 @@ static LONG smartcard_LocateCardsByATRA_Call(SMARTCARD_DEVICE* smartcard, SMARTC
}
ret.cReaders = call->cReaders;
ret.rgReaderStates = (ReaderState_Return*) calloc(ret.cReaders, sizeof(ReaderState_Return));
ret.rgReaderStates = NULL;
if (ret.cReaders > 0)
ret.rgReaderStates = (ReaderState_Return*) calloc(ret.cReaders, sizeof(ReaderState_Return));
if (!ret.rgReaderStates)
return STATUS_NO_MEMORY;