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authorSreekanth Reddy <sreekanth.reddy@broadcom.com>2021-06-29 16:11:53 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2021-06-29 22:39:15 +0200
commit62e528b80d6b5753e03f005e4858eefb7a84f877 (patch)
tree98651fc803e03700a620eddb49419f30622e5a24 /drivers/scsi/mpi3mr/mpi3mr_os.c
parentscsi: qedf: Add check to synchronize abort and flush (diff)
downloadlinux-62e528b80d6b5753e03f005e4858eefb7a84f877.tar.xz
linux-62e528b80d6b5753e03f005e4858eefb7a84f877.zip
scsi: mpi3mr: Fix warnings reported by smatch
Fix the following warning reported by static analysis tool smatch: smatch warnings: drivers/scsi/mpi3mr/mpi3mr_os.c:873 mpi3mr_update_tgtdev() error: we previously assumed 'mrioc->shost' could be null (see line 870 Link: https://lore.kernel.org/r/20210629141153.3158-1-sreekanth.reddy@broadcom.com Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_os.c')
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_os.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c
index 40676155e62d..24ac7ddec749 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_os.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_os.c
@@ -867,8 +867,9 @@ static void mpi3mr_update_tgtdev(struct mpi3mr_ioc *mrioc,
if ((dev_info & MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_MASK) !=
MPI3_DEVICE0_PCIE_DEVICE_INFO_TYPE_NVME_DEVICE)
tgtdev->is_hidden = 1;
- if (mrioc->shost)
- prot_mask = scsi_host_get_prot(mrioc->shost);
+ if (!mrioc->shost)
+ break;
+ prot_mask = scsi_host_get_prot(mrioc->shost);
if (prot_mask & SHOST_DIX_TYPE0_PROTECTION) {
scsi_host_set_prot(mrioc->shost, prot_mask & 0x77);
ioc_info(mrioc,