[PATCH] serial/core: Fix too big allocation for attribute member

[Yoshihiro YUNOMAE]

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@xxxxxxxxxxx>
CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
CC: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/tty/serial/serial_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 4af764c..8ded213 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -2617,7 +2617,7 @@ 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;

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