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Code

RDMA/bnxt_re: Fix to initialize the PBL array

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memset the PBL page pointer and page map arrays before
populating the SGL addresses of the HWQ.

Fixes: 0c4dcd6028 ("RDMA/bnxt_re: Refactor hardware queue memory allocation")
Signed-off-by: Anantha Prabhu <anantha.prabhu@broadcom.com>
Reviewed-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20250805101000.233310-5-kalesh-anakkur.purayil@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Anantha Prabhu 2025-08-05 15:40:00 +05:30 committed by Leon Romanovsky
parent ba60a1e8cb
commit 806b9f494f
1 changed files with 2 additions and 0 deletions
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2
drivers/infiniband/hw/bnxt_re/qplib_res.c
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@ -121,6 +121,7 @@ static int __alloc_pbl(struct bnxt_qplib_res *res,
pbl->pg_arr = vmalloc_array(pages, sizeof(void *)); pbl->pg_arr = vmalloc_array(pages, sizeof(void *));
if (!pbl->pg_arr) if (!pbl->pg_arr)
return -ENOMEM; return -ENOMEM;
memset(pbl->pg_arr, 0, pages * sizeof(void *));
pbl->pg_map_arr = vmalloc_array(pages, sizeof(dma_addr_t)); pbl->pg_map_arr = vmalloc_array(pages, sizeof(dma_addr_t));
if (!pbl->pg_map_arr) { if (!pbl->pg_map_arr) {
@ -128,6 +129,7 @@ static int __alloc_pbl(struct bnxt_qplib_res *res,
pbl->pg_arr = NULL; pbl->pg_arr = NULL;
return -ENOMEM; return -ENOMEM;
} }
memset(pbl->pg_map_arr, 0, pages * sizeof(dma_addr_t));
pbl->pg_count = 0; pbl->pg_count = 0;
pbl->pg_size = sginfo->pgsize; pbl->pg_size = sginfo->pgsize;