diff options
| author | Jiri Slaby <jirislaby@kernel.org> | 2023-06-21 13:16:10 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-06-21 18:57:29 +0300 |
| commit | e64ed44bce43e003dd154c0bc418a431c15bdf77 (patch) | |
| tree | a0da85b38568c7d62cf34133a180ff9a091e4f6d /drivers/tty | |
| parent | 3e540a7bad8534a9b8845defa051834c9694d86c (diff) | |
| download | linux-e64ed44bce43e003dd154c0bc418a431c15bdf77.tar.xz | |
tty_audit: make tty pointers in exposed functions const
Both tty_audit_add_data() and tty_audit_tiocsti() need only to read from
the tty struct, so make the tty parameters of them both const. This
aids the compiler a bit.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230621101611.10580-6-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/tty.h | 11 | ||||
| -rw-r--r-- | drivers/tty/tty_audit.c | 5 |
2 files changed, 9 insertions, 7 deletions
diff --git a/drivers/tty/tty.h b/drivers/tty/tty.h index 1e0d80e98d26..89769a1f1f97 100644 --- a/drivers/tty/tty.h +++ b/drivers/tty/tty.h @@ -99,14 +99,15 @@ extern int tty_ldisc_autoload; /* tty_audit.c */ #ifdef CONFIG_AUDIT -void tty_audit_add_data(struct tty_struct *tty, const void *data, size_t size); -void tty_audit_tiocsti(struct tty_struct *tty, char ch); +void tty_audit_add_data(const struct tty_struct *tty, const void *data, + size_t size); +void tty_audit_tiocsti(const struct tty_struct *tty, char ch); #else -static inline void tty_audit_add_data(struct tty_struct *tty, const void *data, - size_t size) +static inline void tty_audit_add_data(const struct tty_struct *tty, + const void *data, size_t size) { } -static inline void tty_audit_tiocsti(struct tty_struct *tty, char ch) +static inline void tty_audit_tiocsti(const struct tty_struct *tty, char ch) { } #endif diff --git a/drivers/tty/tty_audit.c b/drivers/tty/tty_audit.c index 6cf8b63368ee..5cbe28ac1763 100644 --- a/drivers/tty/tty_audit.c +++ b/drivers/tty/tty_audit.c @@ -134,7 +134,7 @@ void tty_audit_fork(struct signal_struct *sig) /* * tty_audit_tiocsti - Log TIOCSTI */ -void tty_audit_tiocsti(struct tty_struct *tty, char ch) +void tty_audit_tiocsti(const struct tty_struct *tty, char ch) { dev_t dev; @@ -199,7 +199,8 @@ static struct tty_audit_buf *tty_audit_buf_get(void) * * Audit @data of @size from @tty, if necessary. */ -void tty_audit_add_data(struct tty_struct *tty, const void *data, size_t size) +void tty_audit_add_data(const struct tty_struct *tty, const void *data, + size_t size) { struct tty_audit_buf *buf; unsigned int audit_tty; |