diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2018-05-03 13:54:32 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-03 08:55:23 +0300 |
| commit | 749c6f0e3b5d22a50c026c75b06c030650a46af2 (patch) | |
| tree | db248165c6a85eebc62c9046e8acf8f6eb513ee5 | |
| parent | 5a644f682267dff1614e5aaf23cdcffeefe91213 (diff) | |
| download | linux-749c6f0e3b5d22a50c026c75b06c030650a46af2.tar.xz | |
scsi: megaraid: silence a static checker bug
[ 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.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/scsi/megaraid.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 9d05302a3bcd..19bffe0b2cc0 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -4197,6 +4197,9 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) 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); |