From: Jean Delvare Also remove needless casts. Signed-off-by: Jean Delvare Acked-by: Alan Cox Signed-off-by: Andrew Morton --- drivers/char/tty_io.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff -puN drivers/char/tty_io.c~tty_io-use-kzalloc drivers/char/tty_io.c --- a/drivers/char/tty_io.c~tty_io-use-kzalloc +++ a/drivers/char/tty_io.c @@ -2027,11 +2027,9 @@ static int init_dev(struct tty_driver *d } 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) { @@ -2060,11 +2058,9 @@ static int init_dev(struct tty_driver *d } 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)); } /* @@ -3749,9 +3745,8 @@ struct tty_driver *alloc_tty_driver(int { 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 */ _