From patchwork Fri Nov 15 05:07:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kees Cook X-Patchwork-Id: 11244805 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9447E1393 for ; Fri, 15 Nov 2019 05:30:07 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 90A9420729 for ; Fri, 15 Nov 2019 05:30:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="P8s4lKr1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 90A9420729 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-17365-patchwork-kernel-hardening=patchwork.kernel.org@lists.openwall.com Received: (qmail 32552 invoked by uid 550); 15 Nov 2019 05:29:54 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Delivered-To: mailing list kernel-hardening@lists.openwall.com Received: (qmail 32353 invoked from network); 15 Nov 2019 05:29:52 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=YDYkBjkBbQkNa38peIYhjMIM9N8dktFnNdPZLlA0nKk=; b=P8s4lKr1FHUjSOA9qtcrBCw2j3pk9mrJbqYVOeH0lHfzfxEcg/qwJO1S7hpheqZ5o/ CQGjps6xVqlJG8S1WVRn/Ir3zTgaEAtWufvcp4IoRKLt76DzEerDAOeQwHXfMa8/2vM6 j8wbeNHMrvl4sVFspE6fRs3XCVG5xwfhJ6vn4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=YDYkBjkBbQkNa38peIYhjMIM9N8dktFnNdPZLlA0nKk=; b=sesrY1K+DOVqUhKU7TAWYk0HGgIIUTKg3uq1omqH8tq0AI05TaT/cGoQh9WDRxPOtg s8N0orOgNeEn+OxMBX83AP50uj2CVi7CQUT2Urn7FS+HjD5YV61JwW7osYmEZBS72PO7 eoqVHuJInhT1kvXxKZYcDV1gSgHvwiMuOYznhEsaRIJQLoGtWTivQVR0ZzihKpZ6/TjY impBV8BZs0rHxRTBfssC53o6J9iGrw1bRIKP7oxsKNQGa42vWIarI1rGjJj1HCzrGFFX 9V6ivwZY9Sn+WmadJPLy9UbCdlJ/XG47+DDt7aFZbRan6wTd7ZrzUu3v3Ac7o95RlYkP 8Oig== X-Gm-Message-State: APjAAAXOlbqUDff8G5xBELBHey0HxXvojRbkOKIkNdBkKXTbYscoMegy XUy0YCF2l3RiEifTCaGbMh3COw== X-Google-Smtp-Source: APXvYqx49Q0Jm9xTH248nnIbpLRKsCPTF72sZcIdUnH9MX89f02/Kw+ZPyG/obFrenhJVQUQvldPOw== X-Received: by 2002:a63:3f4e:: with SMTP id m75mr5090958pga.392.1573795780689; Thu, 14 Nov 2019 21:29:40 -0800 (PST) From: Kees Cook To: "David S. Miller" Cc: Kees Cook , Ariel Elior , Sudarsana Kalluru , GR-everest-linux-l2@marvell.com, Sami Tolvanen , netdev@vger.kernel.org, kernel-hardening@lists.openwall.com, linux-kernel@vger.kernel.org Subject: [PATCH 3/5] bnx2x: Remove config_init_t function casts Date: Thu, 14 Nov 2019 21:07:13 -0800 Message-Id: <20191115050715.6247-4-keescook@chromium.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191115050715.6247-1-keescook@chromium.org> References: <20191115050715.6247-1-keescook@chromium.org> No callers of .config_init check return values. Remove the casting and change all callbacks to have the correct function prototype. Signed-off-by: Kees Cook --- .../net/ethernet/broadcom/bnx2x/bnx2x_link.c | 105 ++++++++---------- .../net/ethernet/broadcom/bnx2x/bnx2x_link.h | 4 +- 2 files changed, 48 insertions(+), 61 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index a124f1e0819f..2bc6408ce00d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -7364,9 +7364,9 @@ static void bnx2x_8073_specific_func(struct bnx2x_phy *phy, } } -static int bnx2x_8073_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) +static void bnx2x_8073_config_init(struct bnx2x_phy *phy, + struct link_params *params, + struct link_vars *vars) { struct bnx2x *bp = params->bp; u16 val = 0, tmp1; @@ -7427,7 +7427,7 @@ static int bnx2x_8073_config_init(struct bnx2x_phy *phy, if (params->loopback_mode == LOOPBACK_EXT) { bnx2x_807x_force_10G(bp, phy); DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n"); - return 0; + return; } else { bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002); @@ -7509,7 +7509,6 @@ static int bnx2x_8073_config_init(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n", ((val & (1<<5)) > 0), ((val & (1<<7)) > 0)); - return 0; } static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy, @@ -7676,9 +7675,9 @@ static void bnx2x_8073_link_reset(struct bnx2x_phy *phy, /******************************************************************/ /* BCM8705 PHY SECTION */ /******************************************************************/ -static int bnx2x_8705_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) +static void bnx2x_8705_config_init(struct bnx2x_phy *phy, + struct link_params *params, + struct link_vars *vars) { struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "init 8705\n"); @@ -7700,7 +7699,6 @@ static int bnx2x_8705_config_init(struct bnx2x_phy *phy, MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1); /* BCM8705 doesn't have microcode, hence the 0 */ bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0); - return 0; } static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy, @@ -8887,9 +8885,9 @@ static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy, /******************************************************************/ /* BCM8706 PHY SECTION */ /******************************************************************/ -static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) +static void bnx2x_8706_config_init(struct bnx2x_phy *phy, + struct link_params *params, + struct link_vars *vars) { u32 tx_en_mode; u16 cnt, val, tmp1; @@ -8989,8 +8987,6 @@ static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1); } - - return 0; } static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy, @@ -9070,9 +9066,9 @@ static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy, } -static int bnx2x_8726_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) +static void bnx2x_8726_config_init(struct bnx2x_phy *phy, + struct link_params *params, + struct link_vars *vars) { struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "Initializing BCM8726\n"); @@ -9150,9 +9146,6 @@ static int bnx2x_8726_config_init(struct bnx2x_phy *phy, MDIO_PMA_REG_8726_TX_CTRL2, phy->tx_preemphasis[1]); } - - return 0; - } static void bnx2x_8726_link_reset(struct bnx2x_phy *phy, @@ -9288,9 +9281,9 @@ static void bnx2x_8727_config_speed(struct bnx2x_phy *phy, } } -static int bnx2x_8727_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) +static void bnx2x_8727_config_init(struct bnx2x_phy *phy, + struct link_params *params, + struct link_vars *vars) { u32 tx_en_mode; u16 tmp1, mod_abs, tmp2; @@ -9370,8 +9363,6 @@ static int bnx2x_8727_config_init(struct bnx2x_phy *phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, (tmp2 & 0x7fff)); } - - return 0; } static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy, @@ -9946,9 +9937,9 @@ static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy, return 0; } -static int bnx2x_8481_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) +static void bnx2x_8481_config_init(struct bnx2x_phy *phy, + struct link_params *params, + struct link_vars *vars) { struct bnx2x *bp = params->bp; /* Restore normal power mode*/ @@ -9960,7 +9951,7 @@ static int bnx2x_8481_config_init(struct bnx2x_phy *phy, bnx2x_wait_reset_complete(bp, phy, params); bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); - return bnx2x_848xx_cmn_config_init(phy, params, vars); + bnx2x_848xx_cmn_config_init(phy, params, vars); } #define PHY848xx_CMDHDLR_WAIT 300 @@ -10283,9 +10274,9 @@ static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy, } #define PHY84833_CONSTANT_LATENCY 1193 -static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) +static void bnx2x_848x3_config_init(struct bnx2x_phy *phy, + struct link_params *params, + struct link_vars *vars) { struct bnx2x *bp = params->bp; u8 port, initialize = 1; @@ -10430,7 +10421,7 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, if (rc) { DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n"); bnx2x_8483x_disable_eee(phy, params, vars); - return rc; + return; } if ((phy->req_duplex == DUPLEX_FULL) && @@ -10442,7 +10433,7 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, rc = bnx2x_8483x_disable_eee(phy, params, vars); if (rc) { DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n"); - return rc; + return; } } else { vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK; @@ -10481,7 +10472,6 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, MDIO_84833_TOP_CFG_XGPHY_STRAP1, (u16)~MDIO_84833_SUPER_ISOLATE); } - return rc; } static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy, @@ -11038,9 +11028,9 @@ static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy, } } -static int bnx2x_54618se_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) +static void bnx2x_54618se_config_init(struct bnx2x_phy *phy, + struct link_params *params, + struct link_vars *vars) { struct bnx2x *bp = params->bp; u8 port; @@ -11240,8 +11230,6 @@ static int bnx2x_54618se_config_init(struct bnx2x_phy *phy, bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, autoneg_val); - - return 0; } @@ -11465,9 +11453,9 @@ static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy, MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100); } -static int bnx2x_7101_config_init(struct bnx2x_phy *phy, - struct link_params *params, - struct link_vars *vars) +static void bnx2x_7101_config_init(struct bnx2x_phy *phy, + struct link_params *params, + struct link_vars *vars) { u16 fw_ver1, fw_ver2, val; struct bnx2x *bp = params->bp; @@ -11502,7 +11490,6 @@ static int bnx2x_7101_config_init(struct bnx2x_phy *phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2); bnx2x_save_spirom_version(bp, params->port, (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr); - return 0; } static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy, @@ -11671,7 +11658,7 @@ static const struct bnx2x_phy phy_serdes = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_xgxs_config_init, + .config_init = bnx2x_xgxs_config_init, .read_status = bnx2x_link_settings_status, .link_reset = bnx2x_int_link_reset, .config_loopback = NULL, @@ -11707,7 +11694,7 @@ static const struct bnx2x_phy phy_xgxs = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_xgxs_config_init, + .config_init = bnx2x_xgxs_config_init, .read_status = bnx2x_link_settings_status, .link_reset = bnx2x_int_link_reset, .config_loopback = bnx2x_set_xgxs_loopback, @@ -11745,7 +11732,7 @@ static const struct bnx2x_phy phy_warpcore = { .speed_cap_mask = 0, /* req_duplex = */0, /* rsrv = */0, - .config_init = (config_init_t)bnx2x_warpcore_config_init, + .config_init = bnx2x_warpcore_config_init, .read_status = bnx2x_warpcore_read_status, .link_reset = bnx2x_warpcore_link_reset, .config_loopback = bnx2x_set_warpcore_loopback, @@ -11776,7 +11763,7 @@ static const struct bnx2x_phy phy_7101 = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_7101_config_init, + .config_init = bnx2x_7101_config_init, .read_status = bnx2x_7101_read_status, .link_reset = bnx2x_common_ext_link_reset, .config_loopback = bnx2x_7101_config_loopback, @@ -11807,7 +11794,7 @@ static const struct bnx2x_phy phy_8073 = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_8073_config_init, + .config_init = bnx2x_8073_config_init, .read_status = bnx2x_8073_read_status, .link_reset = bnx2x_8073_link_reset, .config_loopback = NULL, @@ -11835,7 +11822,7 @@ static const struct bnx2x_phy phy_8705 = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_8705_config_init, + .config_init = bnx2x_8705_config_init, .read_status = bnx2x_8705_read_status, .link_reset = bnx2x_common_ext_link_reset, .config_loopback = NULL, @@ -11864,7 +11851,7 @@ static const struct bnx2x_phy phy_8706 = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_8706_config_init, + .config_init = bnx2x_8706_config_init, .read_status = bnx2x_8706_read_status, .link_reset = bnx2x_common_ext_link_reset, .config_loopback = NULL, @@ -11896,7 +11883,7 @@ static const struct bnx2x_phy phy_8726 = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_8726_config_init, + .config_init = bnx2x_8726_config_init, .read_status = bnx2x_8726_read_status, .link_reset = bnx2x_8726_link_reset, .config_loopback = bnx2x_8726_config_loopback, @@ -11927,7 +11914,7 @@ static const struct bnx2x_phy phy_8727 = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_8727_config_init, + .config_init = bnx2x_8727_config_init, .read_status = bnx2x_8727_read_status, .link_reset = bnx2x_8727_link_reset, .config_loopback = NULL, @@ -11962,7 +11949,7 @@ static const struct bnx2x_phy phy_8481 = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_8481_config_init, + .config_init = bnx2x_8481_config_init, .read_status = bnx2x_848xx_read_status, .link_reset = bnx2x_8481_link_reset, .config_loopback = NULL, @@ -11999,7 +11986,7 @@ static const struct bnx2x_phy phy_84823 = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_848x3_config_init, + .config_init = bnx2x_848x3_config_init, .read_status = bnx2x_848xx_read_status, .link_reset = bnx2x_848x3_link_reset, .config_loopback = NULL, @@ -12034,7 +12021,7 @@ static const struct bnx2x_phy phy_84833 = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_848x3_config_init, + .config_init = bnx2x_848x3_config_init, .read_status = bnx2x_848xx_read_status, .link_reset = bnx2x_848x3_link_reset, .config_loopback = NULL, @@ -12068,7 +12055,7 @@ static const struct bnx2x_phy phy_84834 = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_848x3_config_init, + .config_init = bnx2x_848x3_config_init, .read_status = bnx2x_848xx_read_status, .link_reset = bnx2x_848x3_link_reset, .config_loopback = NULL, @@ -12102,7 +12089,7 @@ static const struct bnx2x_phy phy_84858 = { .speed_cap_mask = 0, .req_duplex = 0, .rsrv = 0, - .config_init = (config_init_t)bnx2x_848x3_config_init, + .config_init = bnx2x_848x3_config_init, .read_status = bnx2x_848xx_read_status, .link_reset = bnx2x_848x3_link_reset, .config_loopback = NULL, @@ -12136,7 +12123,7 @@ static const struct bnx2x_phy phy_54618se = { .speed_cap_mask = 0, /* req_duplex = */0, /* rsrv = */0, - .config_init = (config_init_t)bnx2x_54618se_config_init, + .config_init = bnx2x_54618se_config_init, .read_status = bnx2x_54618se_read_status, .link_reset = bnx2x_54618se_link_reset, .config_loopback = bnx2x_54618se_config_loopback, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h index 7115f5025664..d31d15c78a17 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h @@ -127,8 +127,8 @@ struct link_vars; struct link_params; struct bnx2x_phy; -typedef u8 (*config_init_t)(struct bnx2x_phy *phy, struct link_params *params, - struct link_vars *vars); +typedef void (*config_init_t)(struct bnx2x_phy *phy, struct link_params *params, + struct link_vars *vars); typedef u8 (*read_status_t)(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars); typedef void (*link_reset_t)(struct bnx2x_phy *phy,