RDMA/bnxt_re: Fix to initialize the PBL array

[ Upstream commit 806b9f4 ]

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

Fixes: 0c4dcd6 ("RDMA/bnxt_re: Refactor hardware queue memory allocation")
Signed-off-by: Anantha Prabhu <[email protected]>
Reviewed-by: Saravanan Vajravel <[email protected]>
Reviewed-by: Selvin Xavier <[email protected]>
Signed-off-by: Kalesh AP <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>

Author: anprabhu78

drivers/infiniband/hw/bnxt_re/qplib_res.c

@@ -121,13 +121,15 @@ static int __alloc_pbl(struct bnxt_qplib_res *res,
 	pbl->pg_arr = vmalloc_array(pages, sizeof(void *));
 	if (!pbl->pg_arr)
 		return -ENOMEM;
+	memset(pbl->pg_arr, 0, pages * sizeof(void *));
 
 	pbl->pg_map_arr = vmalloc_array(pages, sizeof(dma_addr_t));
 	if (!pbl->pg_map_arr) {
 		vfree(pbl->pg_arr);
 		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;