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SubjectRe: [PATCH 2/3] moxa: remove pointless check of 'tty' argument vs NULL
On Mon, May 15, 2006 at 05:59:01PM -0400, Alan Cox wrote:
> On Mon, May 15, 2006 at 11:57:35PM +0200, Jesper Juhl wrote:
> > Remove pointless check of 'tty' argument vs NULL from moxa driver.
>
> Can you leave those in for the moment but change them to BUG_ON() because
> I've seen the pop up once or twice. They may be fixed but Im not 100% sure
> yet.

Dereference to get ->driver_data will show the very same backtrace?

struct mxser_struct *info = (struct mxser_struct *) tty->driver_data;

- if (!tty || !info->xmit_buf)
> > + if (!info->xmit_buf)
> > return (0);

-
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