All of lore.kernel.org
 help / color / mirror / Atom feed
From: Hannes Reinecke <hare@suse.de>
To: James Bottomley <james.bottomley@hansenpartnership.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
	Christoph Hellwig <hch@lst.de>,
	linux-scsi@vger.kernel.org, Hannes Reinecke <hare@suse.de>
Subject: [PATCH] aic79xx: restore modes when exiting ahd_linux_queue_abort_cmd()
Date: Tue, 14 Jul 2020 18:03:01 +0200	[thread overview]
Message-ID: <20200714160301.4482-1-hare@suse.de> (raw)

ahd_linux_queue_abort_cmd() calls ahd_save_modes() without calling
ahd_restore_modes() before exiting.

Signed-off-by: Hannes Reinecke <hare@suse.de>
---
 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);
-- 
2.16.4


             reply	other threads:[~2020-07-14 16:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14 16:03 Hannes Reinecke [this message]
2020-07-14 16:16 ` [PATCH] aic79xx: restore modes when exiting ahd_linux_queue_abort_cmd() James Bottomley
2020-07-22  4:28 ` Martin K. Petersen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200714160301.4482-1-hare@suse.de \
    --to=hare@suse.de \
    --cc=hch@lst.de \
    --cc=james.bottomley@hansenpartnership.com \
    --cc=linux-scsi@vger.kernel.org \
    --cc=martin.petersen@oracle.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.