Messages in this thread | | | Subject | Re: [PATCH] tty: hvc: Fix data abort due to race in hvc_open | From | Markus Elfring <> | Date | Tue, 28 Apr 2020 14:48:38 +0200 |
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> Hence, serialize hvc_open and check if tty->private_data is NULL before > proceeding ahead.
How do you think about to add the tag “Fixes” because of adjustments for the data synchronisation?
… > +++ b/drivers/tty/hvc/hvc_console.c … @@ -384,6 +394,8 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) … > +out: > + mutex_unlock(&hvc_open_mutex); > return rc; > }
I suggest to use the label “unlock” instead.
Regards, Markus
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