xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[SCSI] mptfusion: sanity check for vdevice pointer is added

Browse Source 
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>
This commit is contained in:
Kashyap, Desai
2010-03-18 19:22:45 +05:30
committed by James Bottomley
parent f8c23bde85
commit 08f5c5c23d
3 changed files with 26 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/message/fusion/mptctl.c
View File

@@ -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))