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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>
This commit is contained in:
Yoshihiro YUNOMAE 2014-07-23 06:06:22 +00:00 committed by Greg Kroah-Hartman
parent 48479148a2
commit c2b703b807
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/serial_core.c
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@ -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;