diff options
| author | Kashyap, Desai <kashyap.desai@lsi.com> | 2010-03-18 16:52:45 +0300 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-04-11 18:24:10 +0400 |
| commit | 08f5c5c23d52aa385ff304becffb0e0c37cedfe5 (patch) | |
| tree | 5e6b65987b69ee4c240b413fc682b37935bd13e5 /drivers/message/fusion/mptctl.c | |
| parent | f8c23bde85091b696e72d00bc6aa16216a9862f7 (diff) | |
| download | linux-08f5c5c23d52aa385ff304becffb0e0c37cedfe5.tar.xz | |
[SCSI] mptfusion: sanity check for vdevice pointer is added
Added sanity checks before accessing vdevice and added vdevice->deleted
setting for mptfc.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/message/fusion/mptctl.c')
| -rw-r--r-- | drivers/message/fusion/mptctl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c index e7fab5de16e7..f06b29193b4e 100644 --- a/drivers/message/fusion/mptctl.c +++ b/drivers/message/fusion/mptctl.c @@ -1329,6 +1329,8 @@ mptctl_getiocinfo (unsigned long arg, unsigned int data_size) if (ioc->sh) { shost_for_each_device(sdev, ioc->sh) { vdevice = sdev->hostdata; + if (vdevice == NULL || vdevice->vtarget == NULL) + continue; if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) continue; @@ -1450,6 +1452,8 @@ mptctl_gettargetinfo (unsigned long arg) if (!maxWordsLeft) continue; vdevice = sdev->hostdata; + if (vdevice == NULL || vdevice->vtarget == NULL) + continue; if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) continue; @@ -1978,6 +1982,9 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr) struct scsi_target *starget = scsi_target(sdev); VirtTarget *vtarget = starget->hostdata; + if (vtarget == NULL) + continue; + if ((pScsiReq->TargetID == vtarget->id) && (pScsiReq->Bus == vtarget->channel) && (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) |