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Fix crash when usb_bulk_read() fails.

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Romain Tartiere
2011-05-18 22:25:09 +00:00
parent 6d66866268
commit 4828211e97
1 changed files with 2 additions and 1 deletions
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3
libnfc/drivers/pn53x_usb.c
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@@ -77,7 +77,8 @@ int
pn53x_usb_bulk_read (struct pn53x_usb_data *data, byte_t abtRx[], const size_t szRx) pn53x_usb_bulk_read (struct pn53x_usb_data *data, byte_t abtRx[], const size_t szRx)
{ {
int res = usb_bulk_read (data->pudh, data->uiEndPointIn, (char *) abtRx, szRx, USB_TIMEOUT); int res = usb_bulk_read (data->pudh, data->uiEndPointIn, (char *) abtRx, szRx, USB_TIMEOUT);
PRINT_HEX ("RX", abtRx, res); if (res > 0)
PRINT_HEX ("RX", abtRx, res);
return res; return res;
} }
int int