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scsi: mpt3sas: Fix double free warnings

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[ Upstream commit cbbfdb2a24 ]

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.subramani@broadcom.com
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Suganath Prabu S
2020-05-08 07:07:38 -04:00
committed by Sasha Levin
parent 3d34e95952
commit b3ab6af46a
1 changed files with 2 additions and 0 deletions
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2
drivers/scsi/mpt3sas/mpt3sas_base.c
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@@ -3166,7 +3166,9 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
ioc->scsi_lookup = NULL;
}
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->chain_depth; i++) {
if (ioc->chain_lookup[i].chain_buffer)