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-rw-r--r--libk8055/libk8055.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libk8055/libk8055.c b/libk8055/libk8055.c
index 40bf6bd..db4ddf3 100644
--- a/libk8055/libk8055.c
+++ b/libk8055/libk8055.c
@@ -228,7 +228,8 @@ static int k8055_takeover_device( struct k8055_dev* dev, int interface ) {
}
int k8055_set_debug( struct k8055_dev* dev, int level ) {
- libusb_set_debug( dev->usb_ctx, level);
+ if (dev->usb_ctx)
+ libusb_set_debug( dev->usb_ctx, level);
return dev->debug_level = level;
}
@@ -246,6 +247,7 @@ int k8055_open_device( struct k8055_dev* dev, int board_address ) {
libusb_device** list;
libusb_device* found = NULL;
libusb_init( &dev->usb_ctx );
+ libusb_set_debug( dev->usb_ctx, dev->debug_level);
ssize_t cnt = libusb_get_device_list( dev->usb_ctx, &list );
if( cnt<0 ) {
if( dev->debug_level>0 ) fprintf( stderr, "Unable to list usb devices\n" );