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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2009-06-12 12:26:37 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-06-12 12:27:35 +0400 |
| commit | 92636b152f3b58e459988934f689619af9e04dbc (patch) | |
| tree | 2736c3278fcc04cb9488ab740d7ed2dd8d1184a4 /drivers/s390/block/dasd_fba.c | |
| parent | 45b44d76d373e66d08e0c745dc82ff9123103588 (diff) | |
| download | linux-92636b152f3b58e459988934f689619af9e04dbc.tar.xz | |
[S390] dasd: check_characteristics cleanup
Fix a broken memset (sizeof pointer vs sizeof the underlying
structure) by cleaning up the involved functions.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/block/dasd_fba.c')
| -rw-r--r-- | drivers/s390/block/dasd_fba.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index 8912358daa2f..8c3c8ffbc8bf 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -122,20 +122,20 @@ dasd_fba_check_characteristics(struct dasd_device *device) struct dasd_block *block; struct dasd_fba_private *private; struct ccw_device *cdev = device->cdev; - void *rdc_data; int rc; private = (struct dasd_fba_private *) device->private; - if (private == NULL) { - private = kzalloc(sizeof(struct dasd_fba_private), - GFP_KERNEL | GFP_DMA); - if (private == NULL) { + if (!private) { + private = kzalloc(sizeof(*private), GFP_KERNEL | GFP_DMA); + if (!private) { dev_warn(&device->cdev->dev, "Allocating memory for private DASD " "data failed\n"); return -ENOMEM; } device->private = (void *) private; + } else { + memset(private, 0, sizeof(*private)); } block = dasd_alloc_block(); if (IS_ERR(block)) { @@ -150,8 +150,8 @@ dasd_fba_check_characteristics(struct dasd_device *device) block->base = device; /* Read Device Characteristics */ - rdc_data = (void *) &(private->rdc_data); - rc = dasd_generic_read_dev_chars(device, "FBA ", &rdc_data, 32); + rc = dasd_generic_read_dev_chars(device, "FBA ", &private->rdc_data, + 32); if (rc) { DBF_EVENT(DBF_WARNING, "Read device characteristics returned " "error %d for device: %s", |