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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>
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@ -260,7 +260,7 @@ dasd_ioctl_information(struct dasd_device *device,
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if (!device->discipline->fill_info)
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return -EINVAL;
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dasd_info = kmalloc(sizeof(struct dasd_information2_t), GFP_KERNEL);
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dasd_info = kzalloc(sizeof(struct dasd_information2_t), GFP_KERNEL);
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if (dasd_info == NULL)
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return -ENOMEM;
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@ -303,8 +303,7 @@ dasd_ioctl_information(struct dasd_device *device,
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memcpy(dasd_info->type, device->discipline->name, 4);
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else
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memcpy(dasd_info->type, "none", 4);
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dasd_info->req_queue_len = 0;
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dasd_info->chanq_len = 0;
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if (device->request_queue->request_fn) {
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struct list_head *l;
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#ifdef DASD_EXTENDED_PROFILING
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