From: Suganath Prabu S <suganath-prabu.subram...@broadcom.com>

[ Upstream commit cbbfdb2a2416c9f0cde913cf09670097ac281282 ]

Fix following warning from Smatch static analyser:

drivers/scsi/mpt3sas/mpt3sas_base.c:5256 _base_allocate_memory_pools()
warn: 'ioc->hpr_lookup' double freed

drivers/scsi/mpt3sas/mpt3sas_base.c:5256 _base_allocate_memory_pools()
warn: 'ioc->internal_lookup' double freed

Link: 
https://lore.kernel.org/r/20200508110738.30732-1-suganath-prabu.subram...@broadcom.com
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Suganath Prabu S <suganath-prabu.subram...@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/scsi/mpt3sas/mpt3sas_base.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c 
b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 752b71cfbe12c..7fd1d731555f9 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -4777,7 +4777,9 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
        }
 
        kfree(ioc->hpr_lookup);
+       ioc->hpr_lookup = NULL;
        kfree(ioc->internal_lookup);
+       ioc->internal_lookup = NULL;
        if (ioc->chain_lookup) {
                for (i = 0; i < ioc->scsiio_depth; i++) {
                        for (j = ioc->chains_per_prp_buffer;
-- 
2.25.1



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