Re: [patch] tty: handle NULL parameters in free_tty_struct()

From: Alan Cox
Date: Fri Jul 20 2012 - 05:44:46 EST

On Fri, 20 Jul 2012 10:06:34 +0300
Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:

> We sometimes pass NULL pointers to free_tty_struct(). One example where
> it can happen is in the error handling code in pty_common_install().
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

Acked-by: Alan Cox <alan@xxxxxxxxxxxxxxx>

We probably shouldn't be passing NULLs there but making
free_tty_struct(NULL) a no-op matches the kfree and other behaviours and
is robust.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at