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authorHorst Hummel <horst.hummel@de.ibm.com>2006-03-24 12:15:24 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-24 16:33:17 +0100
commit554a826e0a29f1a88e5a5332f0718c059885ec17 (patch)
tree3251034cf7373c9d61f7107c1a52c0c9bf8f8afc /drivers/s390
parent[PATCH] s390: remove experimental flag from dasd diag (diff)
downloadlinux-554a826e0a29f1a88e5a5332f0718c059885ec17.tar.xz
linux-554a826e0a29f1a88e5a5332f0718c059885ec17.zip
[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>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/block/dasd_ioctl.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index e1dc0ffee027..d0c2d732dcff 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -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