[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>

4 files changed, 17 insertions, 19 deletions

diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index ffdf9df1a67..bd9195e1795 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -663,7 +663,7 @@ static int	stli_initopen(stlibrd_t *brdp, stliport_t *portp);
 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 @@ static void stli_start(struct tty_struct *tty)
  *      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 @@ static int stli_initports(stlibrd_t *brdp)
                 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);
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 5ab32b38f45..722dd3e7418 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -1516,9 +1516,9 @@ static void rc_start(struct tty_struct * tty)
  *      do_rc_hangup() -> tty->hangup() -> rc_hangup()
  * 
  */
-static void do_rc_hangup(void *private_)
+static void do_rc_hangup(struct work_struct *ugly_api)
 {
-        struct riscom_port      *port = (struct riscom_port *) private_;
+        struct riscom_port      *port = container_of(ugly_api, struct riscom_port, tqueue_hangup);
         struct tty_struct       *tty;
         
         tty = port->tty;
@@ -1567,9 +1567,9 @@ static void rc_set_termios(struct tty_struct * tty, struct termios * old_termios
         }
 }
 
-static void do_softint(void *private_)
+static void do_softint(struct work_struct *ugly_api)
 {
-        struct riscom_port      *port = (struct riscom_port *) private_;
+        struct riscom_port      *port = container_of(ugly_api, struct riscom_port, tqueue);
         struct tty_struct       *tty;
         
         if(!(tty = port->tty)) 
@@ -1632,8 +1632,8 @@ static inline int rc_init_drivers(void)
         memset(rc_port, 0, sizeof(rc_port));
         for (i = 0; i < RC_NPORT * RC_NBOARD; i++)  {
                 rc_port[i].magic = RISCOM8_MAGIC;
-                INIT_WORK(&rc_port[i].tqueue, do_softint, &rc_port[i]);
-                INIT_WORK(&rc_port[i].tqueue_hangup, do_rc_hangup, &rc_port[i]);
+                INIT_WORK(&rc_port[i].tqueue, do_softint);
+                INIT_WORK(&rc_port[i].tqueue_hangup, do_rc_hangup);
                 rc_port[i].close_delay = 50 * HZ/100;
                 rc_port[i].closing_wait = 3000 * HZ/100;
                 init_waitqueue_head(&rc_port[i].open_wait);
diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c
index 3af7f0958c5..9ba13af234b 100644
--- a/drivers/char/serial167.c
+++ b/drivers/char/serial167.c
@@ -706,9 +706,9 @@ cd2401_rx_interrupt(int irq, void *dev_id)
  * had to poll every port to see if that port needed servicing.
  */
 static void
-do_softint(void *private_)
+do_softint(struct work_struct *ugly_api)
 {
-  struct cyclades_port *info = (struct cyclades_port *) private_;
+  struct cyclades_port *info = container_of(ugly_api, struct cyclades_port, tqueue);
   struct tty_struct    *tty;
 
     tty = info->tty;
@@ -2273,7 +2273,7 @@ scrn[1] = '\0';
                 info->blocked_open = 0;
                 info->default_threshold = 0;
                 info->default_timeout = 0;
-                INIT_WORK(&info->tqueue, do_softint, info);
+                INIT_WORK(&info->tqueue, do_softint);
                 init_waitqueue_head(&info->open_wait);
                 init_waitqueue_head(&info->close_wait);
                 /* info->session */
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index 522e88e395c..5e2de62bce7 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -500,7 +500,7 @@ static int	stl_echatintr(stlbrd_t *brdp);
 static int      stl_echmcaintr(stlbrd_t *brdp);
 static int      stl_echpciintr(stlbrd_t *brdp);
 static int      stl_echpci64intr(stlbrd_t *brdp);
-static void     stl_offintr(void *private);
+static void     stl_offintr(struct work_struct *);
 static stlbrd_t *stl_allocbrd(void);
 static stlport_t *stl_getport(int brdnr, int panelnr, int portnr);
 
@@ -2081,14 +2081,12 @@ static int stl_echpci64intr(stlbrd_t *brdp)
 /*
  *      Service an off-level request for some channel.
  */
-static void stl_offintr(void *private)
+static void stl_offintr(struct work_struct *work)
 {
-        stlport_t               *portp;
+        stlport_t               *portp = container_of(work, stlport_t, tqueue);
         struct tty_struct       *tty;
         unsigned int            oldsigs;
 
-        portp = private;
-
 #ifdef DEBUG
         printk("stl_offintr(portp=%x)\n", (int) portp);
 #endif
@@ -2156,7 +2154,7 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp)
                 portp->baud_base = STL_BAUDBASE;
                 portp->close_delay = STL_CLOSEDELAY;
                 portp->closing_wait = 30 * HZ;
-                INIT_WORK(&portp->tqueue, stl_offintr, portp);
+                INIT_WORK(&portp->tqueue, stl_offintr);
                 init_waitqueue_head(&portp->open_wait);
                 init_waitqueue_head(&portp->close_wait);
                 portp->stats.brd = portp->brdnr;