Author: hselasky Date: Thu May 16 17:34:09 2019 New Revision: 347827 URL: https://svnweb.freebsd.org/changeset/base/347827
Log: MFC r347277: Avoid leaking send queue mbufs during error recovery in mlx5en(4). Sponsored by: Mellanox Technologies Modified: stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c ============================================================================== --- stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Thu May 16 17:33:24 2019 (r347826) +++ stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_main.c Thu May 16 17:34:09 2019 (r347827) @@ -1044,8 +1044,13 @@ mlx5e_free_sq_db(struct mlx5e_sq *sq) int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); int x; - for (x = 0; x != wq_sz; x++) + for (x = 0; x != wq_sz; x++) { + if (sq->mbuf[x].mbuf != NULL) { + bus_dmamap_unload(sq->dma_tag, sq->mbuf[x].dma_map); + m_freem(sq->mbuf[x].mbuf); + } bus_dmamap_destroy(sq->dma_tag, sq->mbuf[x].dma_map); + } free(sq->mbuf, M_MLX5EN); } Modified: stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c ============================================================================== --- stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c Thu May 16 17:33:24 2019 (r347826) +++ stable/11/sys/dev/mlx5/mlx5_en/mlx5_en_tx.c Thu May 16 17:34:09 2019 (r347827) @@ -496,7 +496,7 @@ mlx5e_poll_tx_cq(struct mlx5e_sq *sq, int budget) for (x = 0; x != sq->cev_factor; x++) { ci = sqcc & sq->wq.sz_m1; mb = sq->mbuf[ci].mbuf; - sq->mbuf[ci].mbuf = NULL; /* Safety clear */ + sq->mbuf[ci].mbuf = NULL; if (mb == NULL) { if (sq->mbuf[ci].num_bytes == 0) { _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"