Patch "dm raid: clean up four equivalent goto tags in raid_ctr()" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    dm raid: clean up four equivalent goto tags in raid_ctr()

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     dm-raid-clean-up-four-equivalent-goto-tags-in-raid_c.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit c6be6491a6e7834b610917cb0fe282a6b69946ce
Author: Yu Kuai <yukuai3@xxxxxxxxxx>
Date:   Sat Jul 8 17:21:52 2023 +0800

    dm raid: clean up four equivalent goto tags in raid_ctr()
    
    [ Upstream commit e74c874eabe2e9173a8fbdad616cd89c70eb8ffd ]
    
    There are four equivalent goto tags in raid_ctr(), clean them up to
    use just one.
    
    There is no functional change and this is preparation to fix
    raid_ctr()'s unprotected md_stop().
    
    Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
    Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx>
    Stable-dep-of: 7d5fff8982a2 ("dm raid: protect md_stop() with 'reconfig_mutex'")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index bd0da5bbd57b0..c3736d1f72310 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -3254,8 +3254,7 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	r = md_start(&rs->md);
 	if (r) {
 		ti->error = "Failed to start raid array";
-		mddev_unlock(&rs->md);
-		goto bad_md_start;
+		goto bad_unlock;
 	}
 
 	/* If raid4/5/6 journal mode explicitly requested (only possible with journal dev) -> set it */
@@ -3263,8 +3262,7 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		r = r5c_journal_mode_set(&rs->md, rs->journal_dev.mode);
 		if (r) {
 			ti->error = "Failed to set raid4/5/6 journal mode";
-			mddev_unlock(&rs->md);
-			goto bad_journal_mode_set;
+			goto bad_unlock;
 		}
 	}
 
@@ -3274,19 +3272,15 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	/* Try to adjust the raid4/5/6 stripe cache size to the stripe size */
 	if (rs_is_raid456(rs)) {
 		r = rs_set_raid456_stripe_cache(rs);
-		if (r) {
-			mddev_unlock(&rs->md);
-			goto bad_stripe_cache;
-		}
+		if (r)
+			goto bad_unlock;
 	}
 
 	/* Now do an early reshape check */
 	if (test_bit(RT_FLAG_RESHAPE_RS, &rs->runtime_flags)) {
 		r = rs_check_reshape(rs);
-		if (r) {
-			mddev_unlock(&rs->md);
-			goto bad_check_reshape;
-		}
+		if (r)
+			goto bad_unlock;
 
 		/* Restore new, ctr requested layout to perform check */
 		rs_config_restore(rs, &rs_layout);
@@ -3295,8 +3289,7 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 			r = rs->md.pers->check_reshape(&rs->md);
 			if (r) {
 				ti->error = "Reshape check failed";
-				mddev_unlock(&rs->md);
-				goto bad_check_reshape;
+				goto bad_unlock;
 			}
 		}
 	}
@@ -3307,10 +3300,8 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	mddev_unlock(&rs->md);
 	return 0;
 
-bad_md_start:
-bad_journal_mode_set:
-bad_stripe_cache:
-bad_check_reshape:
+bad_unlock:
+	mddev_unlock(&rs->md);
 	md_stop(&rs->md);
 bad:
 	raid_set_free(rs);



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