--- a/dmx_usb.c | |
+++ b/dmx_usb.c | |
@@ -97,7 +97,11 @@ struct dmx_usb_device { | |
/* prevent races between open() and disconnect() */ | |
+#if(LINUX_VERSION_CODE < KERNEL_VERSION(6,5,3)) | |
static DEFINE_SEMAPHORE(disconnect_sem); | |
+#else | |
+ static DEFINE_SEMAPHORE(disconnect_sem, 1); | |
+#endif | |
/* local function prototypes */ | |
static ssize_t dmx_usb_write (struct file *file, const char *buffer, size_t count, loff_t *ppos); |