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 <yoshihiro.yunomae.ez@hitachi.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2618,7 +2618,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport)
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if (uport->attr_group)
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num_groups++;
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uport->tty_groups = kcalloc(num_groups, sizeof(**uport->tty_groups),
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uport->tty_groups = kcalloc(num_groups, sizeof(*uport->tty_groups),
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GFP_KERNEL);
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if (!uport->tty_groups) {
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ret = -ENOMEM;
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