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NVMe: Set result from user admin command

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The ioctl data structure includes space for the 'result' of the admin
command to be returned; it just wasn't filled in.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
This commit is contained in:
Keith Busch 2012-09-21 10:49:05 -06:00 committed by Matthew Wilcox
parent 3295874b60
commit f4f117f64b
1 changed files with 6 additions and 1 deletions
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7
drivers/block/nvme.c
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@ -1237,12 +1237,17 @@ static int nvme_user_admin_cmd(struct nvme_dev *dev,
if (length != cmd.data_len)
status = -ENOMEM;
else
status = nvme_submit_admin_cmd(dev, &c, NULL);
status = nvme_submit_admin_cmd(dev, &c, &cmd.result);
if (cmd.data_len) {
nvme_unmap_user_pages(dev, cmd.opcode & 1, iod);
nvme_free_iod(dev, iod);
}
if (!status && copy_to_user(&ucmd->result, &cmd.result,
sizeof(cmd.result)))
status = -EFAULT;
return status;
}