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Commit 1aef821a authored by Thomas Koeller's avatar Thomas Koeller Committed by Linus Torvalds
Browse files

[PATCH] constify tty flip buffer handling 



Add a couple of 'const' qualifiers to the TTY flip buffer APIs, where
appropriate.

Signed-off-by: default avatarThomas Koeller <thomas@koeller.dyndns.org>
Acked-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent c41a24ce

drivers/char/tty_io.c

+2 −2
Original line number Diff line number Diff line
@@ -354,7 +354,7 @@ int tty_buffer_request_room(struct tty_struct *tty, size_t size) 


EXPORT_SYMBOL_GPL(tty_buffer_request_room);



int tty_insert_flip_string(struct tty_struct *tty, unsigned char *chars, size_t size)

int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size)

{

	int copied = 0;

	do {
@@ -378,7 +378,7 @@ int tty_insert_flip_string(struct tty_struct *tty, unsigned char *chars, size_t 


EXPORT_SYMBOL_GPL(tty_insert_flip_string);



int tty_insert_flip_string_flags(struct tty_struct *tty, unsigned char *chars, char *flags, size_t size)

int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size)

{

	int copied = 0;

	do {

include/linux/tty_flip.h

+2 −2
Original line number Diff line number Diff line
@@ -2,8 +2,8 @@ 
#define _LINUX_TTY_FLIP_H



extern int tty_buffer_request_room(struct tty_struct *tty, size_t size);

extern int tty_insert_flip_string(struct tty_struct *tty, unsigned char *chars, size_t size);

extern int tty_insert_flip_string_flags(struct tty_struct *tty, unsigned char *chars, char *flags, size_t size);

extern int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size);

extern int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size);

extern int tty_prepare_flip_string(struct tty_struct *tty, unsigned char **chars, size_t size);

extern int tty_prepare_flip_string_flags(struct tty_struct *tty, unsigned char **chars, char **flags, size_t size);