disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/tty_driver.h
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@@ -224,14 +224,6 @@
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  *	line). See tty_do_resize() if you need to wrap the standard method
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  *	in your own logic - the usual case.
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  *
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- * void (*set_termiox)(struct tty_struct *tty, struct termiox *new);
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- *
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- *	Called when the device receives a termiox based ioctl. Passes down
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- *	the requested data from user space. This method will not be invoked
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- *	unless the tty also has a valid tty->termiox pointer.
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- *
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- *	Optional: Called under the termios lock
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- *
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  * int (*get_icount)(struct tty_struct *tty, struct serial_icounter *icount);
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  *
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  *	Called when the device receives a TIOCGICOUNT ioctl. Passed a kernel
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@@ -245,10 +237,12 @@
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 #include <linux/cdev.h>
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 #include <linux/termios.h>
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 #include <linux/seq_file.h>
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+#include <linux/android_kabi.h>
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 struct tty_struct;
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 struct tty_driver;
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 struct serial_icounter_struct;
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+struct serial_struct;
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 struct tty_operations {
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 	struct tty_struct * (*lookup)(struct tty_driver *driver,
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@@ -284,9 +278,14 @@
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 	int (*tiocmset)(struct tty_struct *tty,
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 			unsigned int set, unsigned int clear);
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 	int (*resize)(struct tty_struct *tty, struct winsize *ws);
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+
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+	/* only for abi preservation */
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 	int (*set_termiox)(struct tty_struct *tty, struct termiox *tnew);
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+
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 	int (*get_icount)(struct tty_struct *tty,
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 				struct serial_icounter_struct *icount);
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+	int  (*get_serial)(struct tty_struct *tty, struct serial_struct *p);
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+	int  (*set_serial)(struct tty_struct *tty, struct serial_struct *p);
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 	void (*show_fdinfo)(struct tty_struct *tty, struct seq_file *m);
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 #ifdef CONFIG_CONSOLE_POLL
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 	int (*poll_init)(struct tty_driver *driver, int line, char *options);
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@@ -294,6 +293,9 @@
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 	void (*poll_put_char)(struct tty_driver *driver, int line, char ch);
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 #endif
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 	int (*proc_show)(struct seq_file *, void *);
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+
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+	ANDROID_KABI_RESERVE(1);
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+	ANDROID_KABI_RESERVE(2);
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 } __randomize_layout;
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 struct tty_driver {
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@@ -328,6 +330,9 @@
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 	const struct tty_operations *ops;
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 	struct list_head tty_drivers;
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+
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+	ANDROID_KABI_RESERVE(1);
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+	ANDROID_KABI_RESERVE(2);
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 } __randomize_layout;
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 extern struct list_head tty_drivers;