4.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Dan Carpenter <dan.carpen...@oracle.com> [ Upstream commit 27e833dabab74ee665e487e291c9afc6d71effba ] If we had more than 32 megaraid cards then it would cause memory corruption. That's not likely, of course, but it's handy to enforce it and make the static checker happy. Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com> Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com> Signed-off-by: Sasha Levin <alexander.le...@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- drivers/scsi/megaraid.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -4197,6 +4197,9 @@ megaraid_probe_one(struct pci_dev *pdev, int irq, i, j; int error = -ENODEV; + if (hba_count >= MAX_CONTROLLERS) + goto out; + if (pci_enable_device(pdev)) goto out; pci_set_master(pdev);