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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/md/dm-raid.c
..
..
@@ -3258,8 +3258,7 @@
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3258
 	r = md_start(&rs->md);
3259
3259
 	if (r) {
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 		ti->error = "Failed to start raid array";
3261
-		mddev_unlock(&rs->md);
3262
-		goto bad_md_start;
3261
+		goto bad_unlock;
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 	}
3264
3263
 
3265
3264
 	/* If raid4/5/6 journal mode explicitly requested (only possible with journal dev) -> set it */
..
..
@@ -3267,8 +3266,7 @@
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 		r = r5c_journal_mode_set(&rs->md, rs->journal_dev.mode);
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 		if (r) {
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 			ti->error = "Failed to set raid4/5/6 journal mode";
3270
-			mddev_unlock(&rs->md);
3271
-			goto bad_journal_mode_set;
3269
+			goto bad_unlock;
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 		}
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 	}
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3272
 
..
..
@@ -3279,14 +3277,14 @@
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 	if (rs_is_raid456(rs)) {
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 		r = rs_set_raid456_stripe_cache(rs);
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 		if (r)
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-			goto bad_stripe_cache;
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+			goto bad_unlock;
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 	}
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3285
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 	/* Now do an early reshape check */
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 	if (test_bit(RT_FLAG_RESHAPE_RS, &rs->runtime_flags)) {
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 		r = rs_check_reshape(rs);
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 		if (r)
3289
-			goto bad_check_reshape;
3287
+			goto bad_unlock;
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3288
 
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 		/* Restore new, ctr requested layout to perform check */
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 		rs_config_restore(rs, &rs_layout);
..
..
@@ -3295,7 +3293,7 @@
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 			r = rs->md.pers->check_reshape(&rs->md);
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 			if (r) {
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 				ti->error = "Reshape check failed";
3298
-				goto bad_check_reshape;
3296
+				goto bad_unlock;
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 			}
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 		}
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 	}
..
..
@@ -3306,11 +3304,9 @@
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 	mddev_unlock(&rs->md);
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 	return 0;
3308
3306
 
3309
-bad_md_start:
3310
-bad_journal_mode_set:
3311
-bad_stripe_cache:
3312
-bad_check_reshape:
3307
+bad_unlock:
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 	md_stop(&rs->md);
3309
+	mddev_unlock(&rs->md);
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 bad:
3315
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 	raid_set_free(rs);
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3312
 
..
..
@@ -3321,7 +3317,9 @@
3321
3317
 {
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3318
 	struct raid_set *rs = ti->private;
3323
3319
 
3320
+	mddev_lock_nointr(&rs->md);
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3321
 	md_stop(&rs->md);
3322
+	mddev_unlock(&rs->md);
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 	raid_set_free(rs);
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 }
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3325