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stabd/geli: Bail out if you can't get the disks size

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If the DIOCGMEDIASIZE ioctl fails, assume the disk doesn't have geli
encryption. While all disks should implement this, fail safe for disks /
partitions that do not.

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This commit is contained in:
Warner Losh 2022-10-21 17:39:34 -06:00
parent 243a0eda9a
commit 787df454c8
1 changed files with 2 additions and 1 deletions
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3
stand/libsa/geli/gelidev.c
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@ -302,7 +302,8 @@ geli_probe_and_attach(struct open_file *f)
hdesc = (struct disk_devdesc *)(f->f_devdata);
/* Get the last block number for the host provider. */
hdesc->dd.d_dev->dv_ioctl(f, DIOCGMEDIASIZE, &hmediasize);
if (hdesc->dd.d_dev->dv_ioctl(f, DIOCGMEDIASIZE, &hmediasize) != 0)
return;
hlastblk = (hmediasize / DEV_BSIZE) - 1;
/* Taste the host provider. If it's not geli-encrypted just return. */