Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b18a2db416088ad54a4bfb59c0b932be383aee83
Commit: b18a2db416088ad54a4bfb59c0b932be383aee83
Parent: 5a291321d6b7ab40923b9a42b36746f7b5ca0055
Author: Heiko Carstens <[EMAIL PROTECTED]>
AuthorDate: Fri Oct 12 16:11:38 2007 +0200
Committer: Martin Schwidefsky <[EMAIL PROTECTED]>
CommitDate: Fri Oct 12 16:13:07 2007 +0200
[S390] qdio: dont cast function pointers and use them to call functions.
According to C99 6.3.2.3 it's undefined what happens if a converted
pointer is used to call a function whose type is not compatible with
the pointed-to type.
That's what the qdio code is doing, so fix it.
Signed-off-by: Heiko Carstens <[EMAIL PROTECTED]>
Signed-off-by: Martin Schwidefsky <[EMAIL PROTECTED]>
---
drivers/s390/cio/qdio.c | 37 +++++++++++++++++++------------------
1 files changed, 19 insertions(+), 18 deletions(-)
diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c
index d8d4798..151636c 100644
--- a/drivers/s390/cio/qdio.c
+++ b/drivers/s390/cio/qdio.c
@@ -1024,9 +1024,9 @@ __qdio_outbound_processing(struct qdio_q *q)
}
static void
-qdio_outbound_processing(struct qdio_q *q)
+qdio_outbound_processing(unsigned long q)
{
- __qdio_outbound_processing(q);
+ __qdio_outbound_processing((struct qdio_q *) q);
}
/************************* INBOUND ROUTINES *******************************/
@@ -1449,9 +1449,10 @@ out:
}
static void
-tiqdio_inbound_processing(struct qdio_q *q)
+tiqdio_inbound_processing(unsigned long q)
{
- __tiqdio_inbound_processing(q, atomic_read(&spare_indicator_usecount));
+ __tiqdio_inbound_processing((struct qdio_q *) q,
+ atomic_read(&spare_indicator_usecount));
}
static void
@@ -1494,9 +1495,9 @@ again:
}
static void
-qdio_inbound_processing(struct qdio_q *q)
+qdio_inbound_processing(unsigned long q)
{
- __qdio_inbound_processing(q);
+ __qdio_inbound_processing((struct qdio_q *) q);
}
/************************* MAIN ROUTINES *******************************/
@@ -1760,12 +1761,15 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct
ccw_device *cdev,
q->handler=input_handler;
q->dev_st_chg_ind=irq_ptr->dev_st_chg_ind;
- q->tasklet.data=(unsigned long)q;
/* q->is_thinint_q isn't valid at this time, but
- * irq_ptr->is_thinint_irq is */
- q->tasklet.func=(void(*)(unsigned long))
- ((irq_ptr->is_thinint_irq)?&tiqdio_inbound_processing:
- &qdio_inbound_processing);
+ * irq_ptr->is_thinint_irq is
+ */
+ if (irq_ptr->is_thinint_irq)
+ tasklet_init(&q->tasklet, tiqdio_inbound_processing,
+ (unsigned long) q);
+ else
+ tasklet_init(&q->tasklet, qdio_inbound_processing,
+ (unsigned long) q);
/* actually this is not used for inbound queues. yet. */
atomic_set(&q->busy_siga_counter,0);
@@ -1836,13 +1840,10 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct
ccw_device *cdev,
q->last_move_ftc=0;
q->handler=output_handler;
- q->tasklet.data=(unsigned long)q;
- q->tasklet.func=(void(*)(unsigned long))
- &qdio_outbound_processing;
- q->timer.function=(void(*)(unsigned long))
- &qdio_outbound_processing;
- q->timer.data = (long)q;
- init_timer(&q->timer);
+ tasklet_init(&q->tasklet, qdio_outbound_processing,
+ (unsigned long) q);
+ setup_timer(&q->timer, qdio_outbound_processing,
+ (unsigned long) q);
atomic_set(&q->busy_siga_counter,0);
q->timing.busy_start=0;
-
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