Commit 9d4bb6c9 authored by Rui Miguel Silva's avatar Rui Miguel Silva Committed by Greg Kroah-Hartman
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greybus: uart: fix double free of tty port 



When inserting and removing a module with a UART protocol defined a
double free of the tty_port would happen and that would generate a lot
of kernel oops in different places related to memory corruption.

Signed-off-by: default avatarRui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parent 9d15134d

drivers/staging/greybus/uart.c

+0 −1
Original line number Diff line number Diff line
@@ -701,7 +701,6 @@ static void gb_uart_connection_exit(struct gb_connection *connection) 


	/* FIXME - free transmit / receive buffers */



	tty_port_put(&gb_tty->port);

	tty_port_destroy(&gb_tty->port);

	kfree(gb_tty->buffer);

	kfree(gb_tty);