From patchwork Wed Nov 28 04:26:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gustavo A. R. Silva" X-Patchwork-Id: 10701913 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A631613AD for ; Wed, 28 Nov 2018 04:51:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 95AA32C612 for ; Wed, 28 Nov 2018 04:51:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 89E592CB38; Wed, 28 Nov 2018 04:51:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 23E4D2C612 for ; Wed, 28 Nov 2018 04:51:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727379AbeK1PvR (ORCPT ); Wed, 28 Nov 2018 10:51:17 -0500 Received: from gateway21.websitewelcome.com ([192.185.45.250]:24613 "EHLO gateway21.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727591AbeK1PvI (ORCPT ); Wed, 28 Nov 2018 10:51:08 -0500 Received: from cm13.websitewelcome.com (cm13.websitewelcome.com [100.42.49.6]) by gateway21.websitewelcome.com (Postfix) with ESMTP id A9F66400D3A6D for ; Tue, 27 Nov 2018 22:26:24 -0600 (CST) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id RrQegJHYB957pRrQeg2bZH; Tue, 27 Nov 2018 22:26:24 -0600 X-Authority-Reason: nr=8 Received: from [189.250.78.127] (port=58248 helo=embeddedor) by gator4166.hostgator.com with esmtpa (Exim 4.91) (envelope-from ) id 1gRrQc-001jhm-S2; Tue, 27 Nov 2018 22:26:24 -0600 Date: Tue, 27 Nov 2018 22:26:19 -0600 From: "Gustavo A. R. Silva" To: Hannes Reinecke Cc: "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH 05/41] scsi: aic7xxx: aic79xx: mark expected switch fall-through Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 189.250.78.127 X-Source-L: No X-Exim-ID: 1gRrQc-001jhm-S2 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedor) [189.250.78.127]:58248 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 67 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Notice that, in some cases, I replaced "FALLTHROUGH" with a "fall through" annotation and then placed it at the bottom of the corresponding switch case, which is what GCC is expecting to find. Addresses-Coverity-ID: 114961 ("Missing break in switch") Addresses-Coverity-ID: 114962 ("Missing break in switch") Addresses-Coverity-ID: 114963 ("Missing break in switch") Addresses-Coverity-ID: 114964 ("Missing break in switch") Signed-off-by: Gustavo A. R. Silva Reviewed-by: Hannes Reinecke --- drivers/scsi/aic7xxx/aic79xx_core.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c index 9ee75c9a9aa1..7e5044bf05c0 100644 --- a/drivers/scsi/aic7xxx/aic79xx_core.c +++ b/drivers/scsi/aic7xxx/aic79xx_core.c @@ -2285,6 +2285,7 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat) switch (scb->hscb->task_management) { case SIU_TASKMGMT_ABORT_TASK: tag = SCB_GET_TAG(scb); + /* fall through */ case SIU_TASKMGMT_ABORT_TASK_SET: case SIU_TASKMGMT_CLEAR_TASK_SET: lun = scb->hscb->lun; @@ -2295,6 +2296,7 @@ ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat) break; case SIU_TASKMGMT_LUN_RESET: lun = scb->hscb->lun; + /* fall through */ case SIU_TASKMGMT_TARGET_RESET: { struct ahd_devinfo devinfo; @@ -6550,8 +6552,8 @@ ahd_fini_scbdata(struct ahd_softc *ahd) kfree(sns_map); } ahd_dma_tag_destroy(ahd, scb_data->sense_dmat); - /* FALLTHROUGH */ } + /* fall through */ case 6: { struct map_node *sg_map; @@ -6565,8 +6567,8 @@ ahd_fini_scbdata(struct ahd_softc *ahd) kfree(sg_map); } ahd_dma_tag_destroy(ahd, scb_data->sg_dmat); - /* FALLTHROUGH */ } + /* fall through */ case 5: { struct map_node *hscb_map; @@ -7209,6 +7211,7 @@ ahd_init(struct ahd_softc *ahd) case FLX_CSTAT_OVER: case FLX_CSTAT_UNDER: warn_user++; + /* fall through */ case FLX_CSTAT_INVALID: case FLX_CSTAT_OKAY: if (warn_user == 0 && bootverbose == 0) @@ -8413,7 +8416,7 @@ ahd_search_scb_list(struct ahd_softc *ahd, int target, char channel, if ((scb->flags & SCB_ACTIVE) == 0) printk("Inactive SCB in Waiting List\n"); ahd_done_with_status(ahd, scb, status); - /* FALLTHROUGH */ + /* fall through */ case SEARCH_REMOVE: ahd_rem_wscb(ahd, scbid, prev, next, tid); *list_tail = prev; @@ -8422,6 +8425,7 @@ ahd_search_scb_list(struct ahd_softc *ahd, int target, char channel, break; case SEARCH_PRINT: printk("0x%x ", scbid); + /* fall through */ case SEARCH_COUNT: prev = scbid; break; @@ -9547,8 +9551,8 @@ ahd_download_instr(struct ahd_softc *ahd, u_int instrptr, uint8_t *dconsts) { fmt3_ins = &instr.format3; fmt3_ins->address = ahd_resolve_seqaddr(ahd, fmt3_ins->address); - /* FALLTHROUGH */ } + /* fall through */ case AIC_OP_OR: case AIC_OP_AND: case AIC_OP_XOR: @@ -9559,7 +9563,7 @@ ahd_download_instr(struct ahd_softc *ahd, u_int instrptr, uint8_t *dconsts) fmt1_ins->immediate = dconsts[fmt1_ins->immediate]; } fmt1_ins->parity = 0; - /* FALLTHROUGH */ + /* fall through */ case AIC_OP_ROL: { int i, count;