[patch 12/12] Fix mkiss locking bug

From: Greg KH
Date: Fri Jan 27 2006 - 21:22:59 EST


2.6.15.2 -stable review patch. If anyone has any objections, please let
us know.

------------------

From: Ralf Baechle DL5RB <ralf@xxxxxxxxxxxxxx>

ax_encaps() forgot to drop the bufferlock at the end of the function.
Patch is already in 2.6.16-rc1.

Signed-off-by: Ralf Baechle DL5RB <ralf@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
drivers/net/hamradio/mkiss.c | 1 +
1 file changed, 1 insertion(+)

--- linux-2.6.15.1.orig/drivers/net/hamradio/mkiss.c
+++ linux-2.6.15.1/drivers/net/hamradio/mkiss.c
@@ -515,6 +515,7 @@ static void ax_encaps(struct net_device
count = kiss_esc(p, (unsigned char *)ax->xbuff, len);
}
}
+ spin_unlock_bh(&ax->buflock);

set_bit(TTY_DO_WRITE_WAKEUP, &ax->tty->flags);
actual = ax->tty->driver->write(ax->tty, ax->xbuff, count);

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