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Subjectmemset argument order misuses
Hi Andrew,
A simple 'grep memset.*\<0);' shows argument order errors in several uses
of memset.

This grep was inspired by Al Viro's recent patch, megaraid_mbox fix,
which fixed this problem in the megaraid driver.

Completely untested.

Regards,
Joe
--
"Money can buy bandwidth, but latency is forever" -- John Mashey



diff -Nura base/drivers/s390/block/dasd_genhd.c new/drivers/s390/block/dasd_genhd.c
--- base/drivers/s390/block/dasd_genhd.c 2004-12-24 16:35:24.000000000 -0500
+++ new/drivers/s390/block/dasd_genhd.c 2005-02-12 21:55:48.546192009 -0500
@@ -149,8 +149,8 @@
* Can't call delete_partitions directly. Use ioctl.
* The ioctl also does locking and invalidation.
*/
- memset(&bpart, sizeof(struct blkpg_partition), 0);
- memset(&barg, sizeof(struct blkpg_ioctl_arg), 0);
+ memset(&bpart, 0, sizeof(struct blkpg_partition));
+ memset(&barg, 0, sizeof(struct blkpg_ioctl_arg));
barg.data = &bpart;
barg.op = BLKPG_DEL_PARTITION;
for (bpart.pno = device->gdp->minors - 1; bpart.pno > 0; bpart.pno--)
diff -Nura base/drivers/s390/cio/cmf.c new/drivers/s390/cio/cmf.c
--- base/drivers/s390/cio/cmf.c 2004-12-24 16:33:48.000000000 -0500
+++ new/drivers/s390/cio/cmf.c 2005-02-12 21:56:08.430256458 -0500
@@ -526,7 +526,7 @@
time = get_clock() - cdev->private->cmb_start_time;
spin_unlock_irqrestore(cdev->ccwlock, flags);

- memset(data, sizeof(struct cmbdata), 0);
+ memset(data, 0, sizeof(struct cmbdata));

/* we only know values before device_busy_time */
data->size = offsetof(struct cmbdata, device_busy_time);
@@ -736,7 +736,7 @@
time = get_clock() - cdev->private->cmb_start_time;
spin_unlock_irqrestore(cdev->ccwlock, flags);

- memset (data, sizeof(struct cmbdata), 0);
+ memset (data, 0, sizeof(struct cmbdata));

/* we only know values before device_busy_time */
data->size = offsetof(struct cmbdata, device_busy_time);
diff -Nura base/drivers/s390/cio/css.c new/drivers/s390/cio/css.c
--- base/drivers/s390/cio/css.c 2005-02-12 21:51:28.000000000 -0500
+++ new/drivers/s390/cio/css.c 2005-02-12 21:56:20.066538550 -0500
@@ -527,7 +527,7 @@
new_slow_sch = kmalloc(sizeof(struct slow_subchannel), GFP_ATOMIC);
if (!new_slow_sch)
return -ENOMEM;
- memset(new_slow_sch, sizeof(struct slow_subchannel), 0);
+ memset(new_slow_sch, 0, sizeof(struct slow_subchannel));
new_slow_sch->schid = schid;
spin_lock_irqsave(&slow_subchannel_lock, flags);
list_add_tail(&new_slow_sch->slow_list, &slow_subchannels_head);
-
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