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[PATCH] s390: random values in result of BIODASDINFO2 

Use kzalloc to get a zeroed buffer for the structure returned to user space by
the BIODASDINFO2 ioctl.  Not all fields are set up, e.g.  the read_devno is
missing.

Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Horst Hummel 2006-03-24 03:15:24 -08:00 committed by Linus Torvalds
parent d0b2eaa374
commit 554a826e0a
1 changed files with 2 additions and 3 deletions
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5
drivers/s390/block/dasd_ioctl.c
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@ -260,7 +260,7 @@ dasd_ioctl_information(struct dasd_device *device,
if (!device->discipline->fill_info)
return -EINVAL;
dasd_info = kmalloc(sizeof(struct dasd_information2_t), GFP_KERNEL);
dasd_info = kzalloc(sizeof(struct dasd_information2_t), GFP_KERNEL);
if (dasd_info == NULL)
return -ENOMEM;
@ -303,8 +303,7 @@ dasd_ioctl_information(struct dasd_device *device,
memcpy(dasd_info->type, device->discipline->name, 4);
else
memcpy(dasd_info->type, "none", 4);
dasd_info->req_queue_len = 0;
dasd_info->chanq_len = 0;
if (device->request_queue->request_fn) {
struct list_head *l;
#ifdef DASD_EXTENDED_PROFILING