[PATCH] mxser broken since 2.4.5

[christophe barbé]

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The mxser driver (Moxar mutiple serial ports card) has been updated (and
broken) between the 2.4.4 and 2.4.5 kernels.
A doucle call of down() on a semaphore in mxser_write leads to a D state.

Please apply the attached patch.

Christophe

-- 
Christophe Barbé
Software Engineer - [e-mail]
Lineo France - Lineo High Availability Group
42-46, rue Médéric - 92110 Clichy - France
phone [phone] - fax [phone]
http://www.lineo.com

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diff -u -b -B -r -N linux-2.4.7-vanilla/drivers/char/mxser.c linux-2.4.7/drivers/char/mxser.c
--- linux-2.4.7-vanilla/drivers/char/mxser.c	Wed May 16 19:31:27 2001
+++ linux-2.4.7/drivers/char/mxser.c	Mon Aug  6 16:55:13 2001
@@ -884,8 +884,6 @@
 	if (!tty || !info->xmit_buf || !mxvar_tmp_buf)
 		return (0);
 
-	if (from_user)
-		down(&mxvar_tmp_buf_sem);
 	save_flags(flags);
 	if (from_user) {
 		down(&mxvar_tmp_buf_sem);

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