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Date: Tue, 23 Jan 2024 10:42:45 +0530 Message-ID: <20240123051245.3801246-1-rkannoth@marvell.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-GUID: Coa9FADqEpO7hOKVYBuhhotB-nd5lvzV X-Proofpoint-ORIG-GUID: Coa9FADqEpO7hOKVYBuhhotB-nd5lvzV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-23_02,2024-01-22_01,2023-05-22_02 kmalloc_array() does not initializes memory to zero. This causes issues with bitmap. Use devm_kcalloc() to fix the issue. Fixes: dd7842878633 ("octeontx2-af: Add new devlink param to configure maximum usable NIX block LFs") Signed-off-by: Ratheesh Kannoth --- .../ethernet/marvell/octeontx2/af/rvu_npc.c | 55 ++++++++++--------- 1 file changed, 28 insertions(+), 27 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 167145bdcb75..7539e6f0290a 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -1850,13 +1850,13 @@ void npc_mcam_rsrcs_deinit(struct rvu *rvu) { struct npc_mcam *mcam = &rvu->hw->mcam; - kfree(mcam->bmap); - kfree(mcam->bmap_reverse); - kfree(mcam->entry2pfvf_map); - kfree(mcam->cntr2pfvf_map); - kfree(mcam->entry2cntr_map); - kfree(mcam->cntr_refcnt); - kfree(mcam->entry2target_pffunc); + devm_kfree(rvu->dev, mcam->bmap); + devm_kfree(rvu->dev, mcam->bmap_reverse); + devm_kfree(rvu->dev, mcam->entry2pfvf_map); + devm_kfree(rvu->dev, mcam->cntr2pfvf_map); + devm_kfree(rvu->dev, mcam->entry2cntr_map); + devm_kfree(rvu->dev, mcam->cntr_refcnt); + devm_kfree(rvu->dev, mcam->entry2target_pffunc); kfree(mcam->counters.bmap); } @@ -1904,21 +1904,22 @@ int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr) mcam->pf_offset = mcam->nixlf_offset + nixlf_count; /* Allocate bitmaps for managing MCAM entries */ - mcam->bmap = kmalloc_array(BITS_TO_LONGS(mcam->bmap_entries), - sizeof(long), GFP_KERNEL); + mcam->bmap = devm_kcalloc(rvu->dev, BITS_TO_LONGS(mcam->bmap_entries), + sizeof(long), GFP_KERNEL); if (!mcam->bmap) return -ENOMEM; - mcam->bmap_reverse = kmalloc_array(BITS_TO_LONGS(mcam->bmap_entries), - sizeof(long), GFP_KERNEL); + mcam->bmap_reverse = devm_kcalloc(rvu->dev, + BITS_TO_LONGS(mcam->bmap_entries), + sizeof(long), GFP_KERNEL); if (!mcam->bmap_reverse) goto free_bmap; mcam->bmap_fcnt = mcam->bmap_entries; /* Alloc memory for saving entry to RVU PFFUNC allocation mapping */ - mcam->entry2pfvf_map = kmalloc_array(mcam->bmap_entries, - sizeof(u16), GFP_KERNEL); + mcam->entry2pfvf_map = devm_kcalloc(rvu->dev, mcam->bmap_entries, + sizeof(u16), GFP_KERNEL); if (!mcam->entry2pfvf_map) goto free_bmap_reverse; @@ -1941,27 +1942,27 @@ int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr) if (err) goto free_entry_map; - mcam->cntr2pfvf_map = kmalloc_array(mcam->counters.max, - sizeof(u16), GFP_KERNEL); + mcam->cntr2pfvf_map = devm_kcalloc(rvu->dev, mcam->counters.max, + sizeof(u16), GFP_KERNEL); if (!mcam->cntr2pfvf_map) goto free_cntr_bmap; /* Alloc memory for MCAM entry to counter mapping and for tracking * counter's reference count. */ - mcam->entry2cntr_map = kmalloc_array(mcam->bmap_entries, - sizeof(u16), GFP_KERNEL); + mcam->entry2cntr_map = devm_kcalloc(rvu->dev, mcam->bmap_entries, + sizeof(u16), GFP_KERNEL); if (!mcam->entry2cntr_map) goto free_cntr_map; - mcam->cntr_refcnt = kmalloc_array(mcam->counters.max, - sizeof(u16), GFP_KERNEL); + mcam->cntr_refcnt = devm_kcalloc(rvu->dev, mcam->counters.max, + sizeof(u16), GFP_KERNEL); if (!mcam->cntr_refcnt) goto free_entry_cntr_map; /* Alloc memory for saving target device of mcam rule */ - mcam->entry2target_pffunc = kmalloc_array(mcam->total_entries, - sizeof(u16), GFP_KERNEL); + mcam->entry2target_pffunc = devm_kcalloc(rvu->dev, mcam->total_entries, + sizeof(u16), GFP_KERNEL); if (!mcam->entry2target_pffunc) goto free_cntr_refcnt; @@ -1978,19 +1979,19 @@ int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr) return 0; free_cntr_refcnt: - kfree(mcam->cntr_refcnt); + devm_kfree(rvu->dev, mcam->cntr_refcnt); free_entry_cntr_map: - kfree(mcam->entry2cntr_map); + devm_kfree(rvu->dev, mcam->entry2cntr_map); free_cntr_map: - kfree(mcam->cntr2pfvf_map); + devm_kfree(rvu->dev, mcam->cntr2pfvf_map); free_cntr_bmap: kfree(mcam->counters.bmap); free_entry_map: - kfree(mcam->entry2pfvf_map); + devm_kfree(rvu->dev, mcam->entry2pfvf_map); free_bmap_reverse: - kfree(mcam->bmap_reverse); + devm_kfree(rvu->dev, mcam->bmap_reverse); free_bmap: - kfree(mcam->bmap); + devm_kfree(rvu->dev, mcam->bmap); return -ENOMEM; } -- 2.25.1