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author | Jiri Slaby (SUSE) <jirislaby@kernel.org> | 2023-12-06 08:36:50 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-12-08 12:02:37 +0100 |
commit | 4e8d8878145f1478886e1630c44113ad2c2eb99d (patch) | |
tree | ecbc547cf9d06787de71585d185378a40f172325 | |
parent | tty: make tty_operations::send_xchar accept u8 char (diff) | |
download | linux-4e8d8878145f1478886e1630c44113ad2c2eb99d.tar.xz linux-4e8d8878145f1478886e1630c44113ad2c2eb99d.zip |
tty: core: the rest to u8
There are still last minor users in the tty core that still reference
characters by the 'char' type. Switch them to u8.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20231206073712.17776-6-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/tty/tty_io.c | 10 | ||||
-rw-r--r-- | include/linux/tty.h | 4 |
2 files changed, 7 insertions, 7 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 6a502110da61..f3ca2105b66d 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -852,9 +852,9 @@ static ssize_t iterate_tty_read(struct tty_ldisc *ld, struct tty_struct *tty, { void *cookie = NULL; unsigned long offset = 0; - char kernel_buf[64]; ssize_t retval = 0; size_t copied, count = iov_iter_count(to); + u8 kernel_buf[64]; do { ssize_t size = min(count, sizeof(kernel_buf)); @@ -995,7 +995,7 @@ static ssize_t iterate_tty_write(struct tty_ldisc *ld, struct tty_struct *tty, /* write_buf/write_cnt is protected by the atomic_write_lock mutex */ if (tty->write_cnt < chunk) { - unsigned char *buf_chunk; + u8 *buf_chunk; if (chunk < 1024) chunk = 1024; @@ -2278,10 +2278,10 @@ static bool tty_legacy_tiocsti __read_mostly = IS_ENABLED(CONFIG_LEGACY_TIOCSTI) * * Called functions take tty_ldiscs_lock * * current->signal->tty check is safe without locks */ -static int tiocsti(struct tty_struct *tty, char __user *p) +static int tiocsti(struct tty_struct *tty, u8 __user *p) { - char ch; struct tty_ldisc *ld; + u8 ch; if (!tty_legacy_tiocsti && !capable(CAP_SYS_ADMIN)) return -EIO; @@ -3142,7 +3142,7 @@ struct tty_struct *alloc_tty_struct(struct tty_driver *driver, int idx) * * Return: the number of characters successfully output. */ -int tty_put_char(struct tty_struct *tty, unsigned char ch) +int tty_put_char(struct tty_struct *tty, u8 ch) { if (tty->ops->put_char) return tty->ops->put_char(tty, ch); diff --git a/include/linux/tty.h b/include/linux/tty.h index d3bedcc08738..cc08f7e1c122 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -242,7 +242,7 @@ struct tty_struct { void *driver_data; spinlock_t files_lock; int write_cnt; - unsigned char *write_buf; + u8 *write_buf; struct list_head tty_files; @@ -411,7 +411,7 @@ void stop_tty(struct tty_struct *tty); void start_tty(struct tty_struct *tty); void tty_write_message(struct tty_struct *tty, char *msg); int tty_send_xchar(struct tty_struct *tty, u8 ch); -int tty_put_char(struct tty_struct *tty, unsigned char c); +int tty_put_char(struct tty_struct *tty, u8 c); unsigned int tty_chars_in_buffer(struct tty_struct *tty); unsigned int tty_write_room(struct tty_struct *tty); void tty_driver_flush_buffer(struct tty_struct *tty); |