[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 <[email protected]>
Signed-off-by: Karsten Keil <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 393633681f49fa852ac549b2aeb48fc4d9ebf07d..aeaa1db74bd87ad37bd103655df01791e2676a18 100644 (file)
--- 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;