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authorDan Carpenter <dan.carpenter@oracle.com>2018-05-03 13:54:32 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-08-03 07:50:36 +0200
commit13e4e358b94c2c07257a6b50170af93681ae10eb (patch)
tree14e4cd93d8301c0225f141555743ce93f8d586e1 /drivers/scsi/megaraid.c
parentca588ff3e7d649690bb80a1cca4ed3dd591d9cd7 (diff)
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>
Diffstat (limited to 'drivers/scsi/megaraid.c')
-rw-r--r--drivers/scsi/megaraid.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 7195cff51d4c..9b6f5d024dba 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -4199,6 +4199,9 @@ 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);