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| author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2014-07-10 23:01:22 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-12 04:54:28 +0400 |
| commit | 2c964a2f4191f2229566895f1a0e85f8339f5dd1 (patch) | |
| tree | f83c3259629e2b8416e96a03bcee8c6dc52bd9ca /drivers/tty/pty.c | |
| parent | 493671a2cecbb75d5b1aee6959bef1ecb38b932d (diff) | |
| download | linux-2c964a2f4191f2229566895f1a0e85f8339f5dd1.tar.xz | |
drivers: tty: Merge alloc_tty_struct and initialize_tty_struct
The two functions alloc_tty_struct and initialize_tty_struct are
always called together. Merge them into alloc_tty_struct, updating its
prototype and the only two callers of these functions.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/pty.c')
| -rw-r--r-- | drivers/tty/pty.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index 25c9bc783722..ac723e3c031a 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -316,7 +316,7 @@ done: * pty_common_install - set up the pty pair * @driver: the pty driver * @tty: the tty being instantiated - * @bool: legacy, true if this is BSD style + * @legacy: true if this is BSD style * * Perform the initial set up for the tty/pty pair. Called from the * tty layer when the port is first opened. @@ -331,18 +331,17 @@ static int pty_common_install(struct tty_driver *driver, struct tty_struct *tty, int idx = tty->index; int retval = -ENOMEM; - o_tty = alloc_tty_struct(); - if (!o_tty) - goto err; ports[0] = kmalloc(sizeof **ports, GFP_KERNEL); ports[1] = kmalloc(sizeof **ports, GFP_KERNEL); if (!ports[0] || !ports[1]) - goto err_free_tty; + goto err; if (!try_module_get(driver->other->owner)) { /* This cannot in fact currently happen */ - goto err_free_tty; + goto err; } - initialize_tty_struct(o_tty, driver->other, idx); + o_tty = alloc_tty_struct(driver->other, idx); + if (!o_tty) + goto err_put_module; if (legacy) { /* We always use new tty termios data so we can do this @@ -387,12 +386,12 @@ err_free_termios: tty_free_termios(tty); err_deinit_tty: deinitialize_tty_struct(o_tty); + free_tty_struct(o_tty); +err_put_module: module_put(o_tty->driver->owner); -err_free_tty: +err: kfree(ports[0]); kfree(ports[1]); - free_tty_struct(o_tty); -err: return retval; } |