diff options
Diffstat (limited to 'usr/src/uts/common/io/blkdev/blkdev.c')
| -rw-r--r-- | usr/src/uts/common/io/blkdev/blkdev.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/usr/src/uts/common/io/blkdev/blkdev.c b/usr/src/uts/common/io/blkdev/blkdev.c index e9734d1672..c0bdb3dab2 100644 --- a/usr/src/uts/common/io/blkdev/blkdev.c +++ b/usr/src/uts/common/io/blkdev/blkdev.c @@ -1510,6 +1510,7 @@ bd_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *credp, int *rvalp) } case DKIOCGMEDIAINFOEXT: { struct dk_minfo_ext miext; + size_t len; /* make sure our state information is current */ bd_update_state(bd); @@ -1518,7 +1519,17 @@ bd_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *credp, int *rvalp) miext.dki_lbsize = (1U << bd->d_blkshift); miext.dki_pbsize = (1U << bd->d_pblkshift); miext.dki_capacity = bd->d_numblks; - if (ddi_copyout(&miext, ptr, sizeof (miext), flag)) { + + switch (ddi_model_convert_from(flag & FMODELS)) { + case DDI_MODEL_ILP32: + len = sizeof (struct dk_minfo_ext32); + break; + default: + len = sizeof (struct dk_minfo_ext); + break; + } + + if (ddi_copyout(&miext, ptr, len, flag)) { return (EFAULT); } return (0); |