[PATCH] drivers/{char|isdn}: work_struct-induced breakage

part 1 of fsck-knows-how-many

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index ffdf9df..bd9195e 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -663,7 +663,7 @@
 static int	stli_rawopen(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait);
 static int	stli_rawclose(stlibrd_t *brdp, stliport_t *portp, unsigned long arg, int wait);
 static int	stli_waitcarrier(stlibrd_t *brdp, stliport_t *portp, struct file *filp);
-static void	stli_dohangup(void *arg);
+static void	stli_dohangup(struct work_struct *);
 static int	stli_setport(stliport_t *portp);
 static int	stli_cmdwait(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback);
 static void	stli_sendcmd(stlibrd_t *brdp, stliport_t *portp, unsigned long cmd, void *arg, int size, int copyback);
@@ -1990,9 +1990,9 @@
  *	aren't that time critical).
  */
 
-static void stli_dohangup(void *arg)
+static void stli_dohangup(struct work_struct *ugly_api)
 {
-	stliport_t *portp = (stliport_t *) arg;
+	stliport_t *portp = container_of(ugly_api, stliport_t, tqhangup);
 	if (portp->tty != NULL) {
 		tty_hangup(portp->tty);
 	}
@@ -2898,7 +2898,7 @@
 		portp->baud_base = STL_BAUDBASE;
 		portp->close_delay = STL_CLOSEDELAY;
 		portp->closing_wait = 30 * HZ;
-		INIT_WORK(&portp->tqhangup, stli_dohangup, portp);
+		INIT_WORK(&portp->tqhangup, stli_dohangup);
 		init_waitqueue_head(&portp->open_wait);
 		init_waitqueue_head(&portp->close_wait);
 		init_waitqueue_head(&portp->raw_wait);