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tty_io: Use kzalloc

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Also remove needless casts.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jean Delvare 2007-07-15 23:40:14 -07:00 committed by Linus Torvalds
parent e8d6c55412
commit 506eb99a26
1 changed files with 3 additions and 8 deletions
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11
drivers/char/tty_io.c
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@ -2033,11 +2033,9 @@ static int init_dev(struct tty_driver *driver, int idx,
}
if (!*ltp_loc) {
ltp = (struct ktermios *) kmalloc(sizeof(struct ktermios),
GFP_KERNEL);
ltp = kzalloc(sizeof(struct ktermios), GFP_KERNEL);
if (!ltp)
goto free_mem_out;
memset(ltp, 0, sizeof(struct ktermios));
}
if (driver->type == TTY_DRIVER_TYPE_PTY) {
@ -2066,11 +2064,9 @@ static int init_dev(struct tty_driver *driver, int idx,
}
if (!*o_ltp_loc) {
o_ltp = (struct ktermios *)
kmalloc(sizeof(struct ktermios), GFP_KERNEL);
o_ltp = kzalloc(sizeof(struct ktermios), GFP_KERNEL);
if (!o_ltp)
goto free_mem_out;
memset(o_ltp, 0, sizeof(struct ktermios));
}
/*
@ -3755,9 +3751,8 @@ struct tty_driver *alloc_tty_driver(int lines)
{
struct tty_driver *driver;
driver = kmalloc(sizeof(struct tty_driver), GFP_KERNEL);
driver = kzalloc(sizeof(struct tty_driver), GFP_KERNEL);
if (driver) {
memset(driver, 0, sizeof(struct tty_driver));
driver->magic = TTY_DRIVER_MAGIC;
driver->num = lines;
/* later we'll move allocation of tables here */