From: Karsten Keil <kkeil@suse.de>
Date: Mon, 6 Mar 2006 23:42:39 +0000 (-0800)
Subject: [PATCH] i4l: fix refcounting problem with ttyIx devices
X-Git-Tag: v2.6.16-rc6~104
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7cb9478f0d5b2424af974646dcbe10ce7c19b550;p=linux-2.6

[PATCH] i4l: fix refcounting problem with ttyIx devices

If the same ttyIx device was opened by two processes the module was not
released and so the usage count went never to zero again.  This oneliner fixes
the issue.

Signed-off-by: Oskar Senft <o.senft@sirrix.com>
Signed-off-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 393633681f..aeaa1db74b 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1682,6 +1682,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
 #ifdef ISDN_DEBUG_MODEM_OPEN
 		printk(KERN_DEBUG "isdn_tty_close after info->count != 0\n");
 #endif
+		module_put(info->owner);
 		return;
 	}
 	info->flags |= ISDN_ASYNC_CLOSING;