From 08f5c5c23d52aa385ff304becffb0e0c37cedfe5 Mon Sep 17 00:00:00 2001 From: "Kashyap, Desai" Date: Thu, 18 Mar 2010 19:22:45 +0530 Subject: [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 Signed-off-by: James Bottomley --- drivers/message/fusion/mptctl.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/message/fusion/mptctl.c') 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)) -- cgit v1.2.1