enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/tty/n_tracesink.c
..
..
@@ -115,7 +115,9 @@
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  *	 -EINVAL
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  */
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 static ssize_t n_tracesink_read(struct tty_struct *tty, struct file *file,
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-				unsigned char __user *buf, size_t nr) {
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+				unsigned char *buf, size_t nr,
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+				void **cookie, unsigned long offset)
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+{
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 	return -EINVAL;
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 }
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