add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/drivers/staging/comedi/drivers/usbduxfast.c
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@@ -62,7 +62,7 @@
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 #define USBDUXFASTSUB_CPUCS	0xE600
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 /*
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- * max lenghth of the transfer-buffer for software upload
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+ * max length of the transfer-buffer for software upload
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  */
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 #define TB_LEN	0x2000
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@@ -1000,6 +1000,8 @@
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 	kfree(devpriv->duxbuf);
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 	mutex_unlock(&devpriv->mut);
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+
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+	mutex_destroy(&devpriv->mut);
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 }
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 static struct comedi_driver usbduxfast_driver = {