[patch -resend] [SCSI] bfa: off by one in bfa_ioc_mbox_isr()

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If mc == BFI_MC_MAX then we're reading past the end of the
mod->mbhdlr[] array.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
Originally sent on Wed, 6 Jul 2011.

diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
index 14e6284..8cdb79c 100644
--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -2357,7 +2357,7 @@ bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc)
 			return;
 		}
 
-		if ((mc > BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL))
+		if ((mc >= BFI_MC_MAX) || (mod->mbhdlr[mc].cbfn == NULL))
 			return;
 
 		mod->mbhdlr[mc].cbfn(mod->mbhdlr[mc].cbarg, &m);
--
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