serial/core: Fix too big allocation for attribute member

Current code allocates too much data for tty_groups member of uart_port struct,
so fix it.

Signed-off-by: Yoshihiro YUNOMAE <[email protected]>
Reported-by: Dan Carpenter <[email protected]>
Reviewed-by: Daniel Thompson <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Yoshihiro YUNOMAE 2014-07-23 06:06:22 +00:00 • committed by Greg Kroah-Hartman
commit c2b703b807

View file

@ -2618,7 +2618,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport)
if (uport->attr_group)
num_groups++;
uport->tty_groups = kcalloc(num_groups, sizeof(**uport->tty_groups),
uport->tty_groups = kcalloc(num_groups, sizeof(*uport->tty_groups),
GFP_KERNEL);
if (!uport->tty_groups) {
ret = -ENOMEM;