crewID/libnfc
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Do not call drivers' connect() function if pick_device() returns NULL.

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This commit is contained in:
Romain Tartiere 2009-12-03 02:08:40 +00:00
parent b8a9a7d743
commit 86dac7a4bb
1 changed files with 3 additions and 2 deletions
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5
src/lib/nfc.c
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@ -110,7 +110,7 @@ nfc_list_devices(nfc_device_desc_t pnddDevices[], size_t szDevices, size_t *pszD
nfc_device_t* nfc_connect(nfc_device_desc_t* pndd)
{
nfc_device_t* pnd;
nfc_device_t* pnd = NULL;
uint32_t uiDriver;
byte_t abtFw[4];
size_t szFwLen = sizeof(abtFw);
@ -124,7 +124,8 @@ nfc_device_t* nfc_connect(nfc_device_desc_t* pndd)
if(drivers_callbacks_list[uiDriver].pick_device != NULL)
pndd = drivers_callbacks_list[uiDriver].pick_device ();
DBG("Auto-connecting %s device",drivers_callbacks_list[uiDriver].acDriver);
pnd = drivers_callbacks_list[uiDriver].connect(pndd);
if (pndd != NULL)
pnd = drivers_callbacks_list[uiDriver].connect(pndd);
if(pnd == NULL)
{
DBG("%s Not found",drivers_callbacks_list[uiDriver].acDriver);