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[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>
Karsten Keil 19 年之前
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共有 1 個文件被更改,包括 1 次插入0 次删除
  1. 1 0
      drivers/isdn/i4l/isdn_tty.c

+ 1 - 0
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;