modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/usb/mon/mon_bin.c
..
..
@@ -1268,6 +1268,11 @@
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 {
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 	/* don't do anything here: "fault" will set up page table entries */
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 	vma->vm_ops = &mon_bin_vm_ops;
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+
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+	if (vma->vm_flags & VM_WRITE)
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+		return -EPERM;
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+
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+	vma->vm_flags &= ~VM_MAYWRITE;
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 	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
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 	vma->vm_private_data = filp->private_data;
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 	mon_bin_vma_open(vma);