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hackrf_init: only call libusb_init() once

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Heikki Hannikainen
2015-02-24 14:56:19 +02:00
parent 1fae679af3
commit 7c95f8bb5f
1 changed files with 4 additions and 0 deletions
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4
host/libhackrf/src/hackrf.c
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@ -240,6 +240,10 @@ extern "C"
int ADDCALL hackrf_init(void) int ADDCALL hackrf_init(void)
{ {
if (g_libusb_context != NULL) {
return HACKRF_SUCCESS;
}
const int libusb_error = libusb_init(&g_libusb_context); const int libusb_error = libusb_init(&g_libusb_context);
if( libusb_error != 0 ) if( libusb_error != 0 )
{ {