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NET: wan/x25, fix ldisc->open retval

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We should never return positive values from ldisc->open, tty layer
doesn't (and never did) expect that.

If we do that, weird things like warnings in tty_ldisc_close happen.

Not sure if dev->base_addr is used somehow now.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Andrew Hendry <andrew.hendry@gmail.com>
Cc: linux-x25@vger.kernel.org
Tested-by: Sergey Lapin <slapin@ossfans.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jiri Slaby 2010-11-25 00:27:55 +01:00 committed by Greg Kroah-Hartman
parent 7f90cfc505
commit 6a20bd45fd
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wan/x25_asy.c
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@ -582,7 +582,7 @@ static int x25_asy_open_tty(struct tty_struct *tty)
if (err)
return err;
/* Done. We have linked the TTY line to a channel. */
return sl->dev->base_addr;
return 0;
}