5.15-stable review patch. If anyone has any objections, please let me know.
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From: Anantha Prabhu anantha.prabhu@broadcom.com
[ Upstream commit 806b9f494f62791ee6d68f515a8056c615a0e7b2 ]
memset the PBL page pointer and page map arrays before populating the SGL addresses of the HWQ.
Fixes: 0c4dcd602817 ("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@broa... Signed-off-by: Leon Romanovsky leon@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/bnxt_re/qplib_res.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c index 401cb3e22f31..7585d5a55db2 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c @@ -121,6 +121,7 @@ static int __alloc_pbl(struct bnxt_qplib_res *res, pbl->pg_arr = vmalloc(pages * sizeof(void *)); if (!pbl->pg_arr) return -ENOMEM; + memset(pbl->pg_arr, 0, pages * sizeof(void *));
pbl->pg_map_arr = vmalloc(pages * sizeof(dma_addr_t)); if (!pbl->pg_map_arr) { @@ -128,6 +129,7 @@ static int __alloc_pbl(struct bnxt_qplib_res *res, pbl->pg_arr = NULL; return -ENOMEM; } + memset(pbl->pg_map_arr, 0, pages * sizeof(dma_addr_t)); pbl->pg_count = 0; pbl->pg_size = sginfo->pgsize;