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