Local variable 'ct' is initialized by an address
of field of MPT3SAS_ADAPTER structure, so it does
not make sense to compare 'ct' with NULL.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Andrey Strachuk <strochuk@xxxxxxxxx>
Fixes: 93204b782a88 ("scsi: mpt3sas: Lockless access for chain buffers.")
---
drivers/scsi/mpt3sas/mpt3sas_base.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 9a1ae52bb621..dead0f7d4d9e 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -396,7 +396,7 @@ _base_get_chain_buffer_dma_to_chain_buffer(struct MPT3SAS_ADAPTER *ioc,
for (index = 0; index < ioc->scsiio_depth; index++) {
for (j = 0; j < ioc->chains_needed_per_io; j++) {
ct = &ioc->chain_lookup[index].chains_per_smid[j];
- if (ct && ct->chain_buffer_dma == chain_buffer_dma)
+ if (ct->chain_buffer_dma == chain_buffer_dma)
return ct->chain_buffer;
}
}
@@ -5699,7 +5699,7 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
for (j = ioc->chains_per_prp_buffer;
j < ioc->chains_needed_per_io; j++) {
ct = &ioc->chain_lookup[i].chains_per_smid[j];
- if (ct && ct->chain_buffer)
+ if (ct->chain_buffer)
dma_pool_free(ioc->chain_dma_pool,
ct->chain_buffer,
ct->chain_buffer_dma);
--
2.25.1
