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fix for tty-serial-move-port 

Hi Alan

next-20081204 crashes with the following message:

BUG: unable to handle kernel paging request at ffff88007d320248
IP: [<ffffffff803de934>] uart_remove_one_port+0xef/0x111
                kfree(info);
     393:       49 8d 7d 10             lea    0x10(%r13),%rdi
     397:       e8 00 00 00 00          callq  39c <uart_remove_one_port+0xef>

Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Alexander Beregalov 2009-01-02 13:49:32 +00:00 committed by Linus Torvalds
parent f751928e0d
commit bc3256288b
1 changed files with 1 additions and 3 deletions
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4
drivers/serial/serial_core.c
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@ -2530,10 +2530,8 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
/*
* Kill the tasklet, and free resources.
*/
if (info) {
if (info)
tasklet_kill(&info->tlet);
kfree(info);
}
state->port = NULL;
mutex_unlock(&port_mutex);