From: Thomas Koeller <thomas@koeller.dyndns.org>
Date: Sat, 25 Mar 2006 11:07:03 +0000 (-0800)
Subject: [PATCH] constify tty flip buffer handling
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1aef821a6b3aeca8c19d06aee012ed9db617d1e3;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[PATCH] constify tty flip buffer handling

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

Signed-off-by: Thomas Koeller <thomas@koeller.dyndns.org>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 76592ee1fb38..48d795bb8c4b 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -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 {
diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h
index 0c6169fff366..0976a163b459 100644
--- a/include/linux/tty_flip.h
+++ b/include/linux/tty_flip.h
@@ -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);