From: Al Viro <viro@ftp.linux.org.uk>
To: Linus Torvalds <torvalds@osdl.org>
Cc: dhowells@redhat.com, linux-kernel@vger.kernel.org
Subject: work_struct-induced breakage, part 1 of fsck-knows-how-many
Date: Wed, 6 Dec 2006 18:41:45 +0000 [thread overview]
Message-ID: <20061206184145.GC4587@ftp.linux.org.uk> (raw)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
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_initopen(stlibrd_t *brdp
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
* 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 *brd
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 5ab32b3..722dd3e 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -1516,9 +1516,9 @@ static void rc_start(struct tty_struct *
* 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_st
}
}
-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 3af7f09..9ba13af 100644
--- a/drivers/char/serial167.c
+++ b/drivers/char/serial167.c
@@ -706,9 +706,9 @@ #endif
* 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 @@ #endif
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 522e88e..5e2de62 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 *br
/*
* 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 @@ #endif
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;
diff --git a/drivers/isdn/hysdn/boardergo.c b/drivers/isdn/hysdn/boardergo.c
index 82e42a8..a120649 100644
--- a/drivers/isdn/hysdn/boardergo.c
+++ b/drivers/isdn/hysdn/boardergo.c
@@ -71,8 +71,9 @@ ergo_interrupt(int intno, void *dev_id)
/* may be queued from everywhere (interrupts included). */
/******************************************************************************/
static void
-ergo_irq_bh(hysdn_card * card)
+ergo_irq_bh(struct work_struct *ugli_api)
{
+ hysdn_card * card = container_of(ugli_api, hysdn_card, irq_queue);
tErgDpram *dpr;
int again;
unsigned long flags;
@@ -442,7 +443,7 @@ ergo_inithardware(hysdn_card * card)
card->writebootseq = ergo_writebootseq;
card->waitpofready = ergo_waitpofready;
card->set_errlog_state = ergo_set_errlog_state;
- INIT_WORK(&card->irq_queue, (void *) (void *) ergo_irq_bh, card);
+ INIT_WORK(&card->irq_queue, ergo_irq_bh);
card->hysdn_lock = SPIN_LOCK_UNLOCKED;
return (0);
diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
index be0bd34..d43ea81 100644
--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -267,12 +267,12 @@ adb_probe_task(void *x)
}
static void
-__adb_probe_task(void *data)
+__adb_probe_task(struct work_struct *bullshit)
{
adb_probe_task_pid = kernel_thread(adb_probe_task, NULL, SIGCHLD | CLONE_KERNEL);
}
-static DECLARE_WORK(adb_reset_work, __adb_probe_task, NULL);
+static DECLARE_WORK(adb_reset_work, __adb_probe_task);
int
adb_reset_bus(void)
next reply other threads:[~2006-12-06 18:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-06 18:41 Al Viro [this message]
2006-12-06 18:51 ` more work_struct-induced breakage Al Viro
2006-12-06 19:18 ` and more of the same Al Viro
2006-12-06 19:46 ` ... and more Al Viro
2006-12-06 19:50 ` Al Viro
2006-12-07 13:08 ` David Howells
2006-12-06 21:15 ` ... and then some Al Viro
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