]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
net/mlx5e: Fix error handling in RQ memory model registration
authorFushuai Wang <wangfushuai@baidu.com>
Thu, 26 Jun 2025 05:30:03 +0000 (13:30 +0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 30 Jun 2025 09:14:31 +0000 (10:14 +0100)
Currently when xdp_rxq_info_reg_mem_model() fails in the XSK path, the
error handling incorrectly jumps to err_destroy_page_pool. While this
may not cause errors, we should make it jump to the correct location.

Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Acked-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/mellanox/mlx5/core/en_main.c

index dca5ca51a470404663693480cd3dd98030692417..e8e5b347f9b2d2275d5cfd95ce7f4ed15f78af8a 100644 (file)
@@ -952,6 +952,8 @@ static int mlx5e_alloc_rq(struct mlx5e_params *params,
        if (xsk) {
                err = xdp_rxq_info_reg_mem_model(&rq->xdp_rxq,
                                                 MEM_TYPE_XSK_BUFF_POOL, NULL);
+               if (err)
+                       goto err_free_by_rq_type;
                xsk_pool_set_rxq_info(rq->xsk_pool, &rq->xdp_rxq);
        } else {
                /* Create a page_pool and register it with rxq */
@@ -985,12 +987,13 @@ static int mlx5e_alloc_rq(struct mlx5e_params *params,
                }
                if (!rq->hd_page_pool)
                        rq->hd_page_pool = rq->page_pool;
-               if (xdp_rxq_info_is_reg(&rq->xdp_rxq))
+               if (xdp_rxq_info_is_reg(&rq->xdp_rxq)) {
                        err = xdp_rxq_info_reg_mem_model(&rq->xdp_rxq,
                                                         MEM_TYPE_PAGE_POOL, rq->page_pool);
+                       if (err)
+                               goto err_destroy_page_pool;
+               }
        }
-       if (err)
-               goto err_destroy_page_pool;
 
        for (i = 0; i < wq_sz; i++) {
                if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) {