From patchwork Tue Jul 14 16:03:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 11663133 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 EFB19913 for ; Tue, 14 Jul 2020 16:03:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D611422509 for ; Tue, 14 Jul 2020 16:03:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726517AbgGNQDH (ORCPT ); Tue, 14 Jul 2020 12:03:07 -0400 Received: from mx2.suse.de ([195.135.220.15]:43398 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725962AbgGNQDH (ORCPT ); Tue, 14 Jul 2020 12:03:07 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 66051B1A5; Tue, 14 Jul 2020 16:03:08 +0000 (UTC) From: Hannes Reinecke To: James Bottomley Cc: "Martin K. Petersen" , Christoph Hellwig , linux-scsi@vger.kernel.org, Hannes Reinecke Subject: [PATCH] aic79xx: restore modes when exiting ahd_linux_queue_abort_cmd() Date: Tue, 14 Jul 2020 18:03:01 +0200 Message-Id: <20200714160301.4482-1-hare@suse.de> X-Mailer: git-send-email 2.16.4 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org ahd_linux_queue_abort_cmd() calls ahd_save_modes() without calling ahd_restore_modes() before exiting. Signed-off-by: Hannes Reinecke --- drivers/scsi/aic7xxx/aic79xx_osm.c | 23 +++++++---------------- 1 file changed, 7 insertions(+), 16 deletions(-) diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index dc4fe334efd0..abb5447f1de4 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -2147,7 +2147,7 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd) u_int last_phase; u_int saved_scsiid; u_int cdb_byte; - int retval; + int retval = SUCCESS; int was_paused; int paused; int wait; @@ -2185,8 +2185,7 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd) * so we must not still own the command. */ scmd_printk(KERN_INFO, cmd, "Is not an active device\n"); - retval = SUCCESS; - goto no_cmd; + goto done; } /* @@ -2199,7 +2198,7 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd) if (pending_scb == NULL) { scmd_printk(KERN_INFO, cmd, "Command not found\n"); - goto no_cmd; + goto done; } if ((pending_scb->flags & SCB_RECOVERY_SCB) != 0) { @@ -2207,7 +2206,7 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd) * We can't queue two recovery actions using the same SCB */ retval = FAILED; - goto done; + goto done; } /* @@ -2222,7 +2221,7 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd) if ((pending_scb->flags & SCB_ACTIVE) == 0) { scmd_printk(KERN_INFO, cmd, "Command already completed\n"); - goto no_cmd; + goto done; } printk("%s: At time of recovery, card was %spaused\n", @@ -2239,7 +2238,6 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd) printk("%s:%d:%d:%d: Cmd aborted from QINFIFO\n", ahd_name(ahd), cmd->device->channel, cmd->device->id, (u8)cmd->device->lun); - retval = SUCCESS; goto done; } @@ -2336,17 +2334,10 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd) } else { scmd_printk(KERN_INFO, cmd, "Unable to deliver message\n"); retval = FAILED; - goto done; } -no_cmd: - /* - * Our assumption is that if we don't have the command, no - * recovery action was required, so we return success. Again, - * the semantics of the mid-layer recovery engine are not - * well defined, so this may change in time. - */ - retval = SUCCESS; + + ahd_restore_modes(ahd, saved_modes); done: if (paused) ahd_unpause(ahd);