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Bottomley" , "Martin K. Petersen" , linux-kernel@vger.kernel.org (open list) Subject: [PATCH 2/3] scsi: bnx2fc: no double pointer for io_bdt_pool Date: Thu, 30 Apr 2026 14:02:44 -0700 Message-ID: <20260430210245.29840-3-rosenp@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260430210245.29840-1-rosenp@gmail.com> References: <20260430210245.29840-1-rosenp@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Instead of allocating a double pointer, allocate a single and avoid extra malloc and free. It's not needed anyway. Signed-off-by: Rosen Penev --- drivers/scsi/bnx2fc/bnx2fc.h | 2 +- drivers/scsi/bnx2fc/bnx2fc_io.c | 25 +++++-------------------- 2 files changed, 6 insertions(+), 21 deletions(-) diff --git a/drivers/scsi/bnx2fc/bnx2fc.h b/drivers/scsi/bnx2fc/bnx2fc.h index 30d8b563db0c..9a5de1048542 100644 --- a/drivers/scsi/bnx2fc/bnx2fc.h +++ b/drivers/scsi/bnx2fc/bnx2fc.h @@ -280,7 +280,7 @@ struct bnx2fc_cmd_mgr { u16 next_idx; struct list_head *free_list; spinlock_t *free_list_lock; - struct io_bdt **io_bdt_pool; + struct io_bdt *io_bdt_pool; struct bnx2fc_cmd *cmds[]; }; diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index 4810999976b6..6773f8d5d84e 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -242,7 +242,7 @@ struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba) } cmgr->hba = hba; - cmgr->io_bdt_pool = (struct io_bdt **)(cmgr->cmds + num_ios); + cmgr->io_bdt_pool = (struct io_bdt *)(cmgr->cmds + num_ios); cmgr->free_list = (struct list_head *)(cmgr->io_bdt_pool + num_ios); cmgr->free_list_lock = (spinlock_t *)(cmgr->free_list + arr_sz); @@ -280,19 +280,10 @@ struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba) io_req++; } - for (i = 0; i < num_ios; i++) { - cmgr->io_bdt_pool[i] = kmalloc_obj(struct io_bdt); - if (!cmgr->io_bdt_pool[i]) { - printk(KERN_ERR PFX "failed to alloc " - "io_bdt_pool[%d]\n", i); - goto mem_err; - } - } - /* Allocate an map fcoe_bdt_ctx structures */ bd_tbl_sz = BNX2FC_MAX_BDS_PER_CMD * sizeof(struct fcoe_bd_ctx); for (i = 0; i < num_ios; i++) { - bdt_info = cmgr->io_bdt_pool[i]; + bdt_info = &cmgr->io_bdt_pool[i]; bdt_info->bd_tbl = dma_alloc_coherent(&hba->pcidev->dev, bd_tbl_sz, &bdt_info->bd_tbl_dma, @@ -325,7 +316,7 @@ void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr) bd_tbl_sz = BNX2FC_MAX_BDS_PER_CMD * sizeof(struct fcoe_bd_ctx); for (i = 0; i < num_ios; i++) { - bdt_info = cmgr->io_bdt_pool[i]; + bdt_info = &cmgr->io_bdt_pool[i]; if (bdt_info->bd_tbl) { dma_free_coherent(&hba->pcidev->dev, bd_tbl_sz, bdt_info->bd_tbl, @@ -334,12 +325,6 @@ void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr) } } - /* Destroy io_bdt pool */ - for (i = 0; i < num_ios; i++) { - kfree(cmgr->io_bdt_pool[i]); - cmgr->io_bdt_pool[i] = NULL; - } - for (i = 0; i < num_possible_cpus() + 1; i++) { struct bnx2fc_cmd *tmp, *io_req; @@ -415,7 +400,7 @@ struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type) /* Bind io_bdt for this io_req */ /* Have a static link between io_req and io_bdt_pool */ - bd_tbl = io_req->bd_tbl = cmd_mgr->io_bdt_pool[xid]; + bd_tbl = io_req->bd_tbl = &cmd_mgr->io_bdt_pool[xid]; bd_tbl->io_req = io_req; /* Hold the io_req against deletion */ @@ -468,7 +453,7 @@ struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt) /* Bind io_bdt for this io_req */ /* Have a static link between io_req and io_bdt_pool */ - bd_tbl = io_req->bd_tbl = cmd_mgr->io_bdt_pool[xid]; + bd_tbl = io_req->bd_tbl = &cmd_mgr->io_bdt_pool[xid]; bd_tbl->io_req = io_req; /* Hold the io_req against deletion */ -- 2.54.0