add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/md/dm-zoned-target.c
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@@ -750,17 +750,16 @@
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 /*
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  * Cleanup zoned device information.
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  */
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-static void dmz_put_zoned_device(struct dm_target *ti)
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+static void dmz_put_zoned_devices(struct dm_target *ti)
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 {
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 	struct dmz_target *dmz = ti->private;
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 	int i;
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-	for (i = 0; i < dmz->nr_ddevs; i++) {
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-		if (dmz->ddev[i]) {
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+	for (i = 0; i < dmz->nr_ddevs; i++)
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+		if (dmz->ddev[i])
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 			dm_put_device(ti, dmz->ddev[i]);
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-			dmz->ddev[i] = NULL;
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-		}
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-	}
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+
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+	kfree(dmz->ddev);
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 }
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 static int dmz_fixup_devices(struct dm_target *ti)
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@@ -951,7 +950,7 @@
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 err_meta:
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 	dmz_dtr_metadata(dmz->metadata);
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 err_dev:
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-	dmz_put_zoned_device(ti);
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+	dmz_put_zoned_devices(ti);
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 err:
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 	kfree(dmz->dev);
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 	kfree(dmz);
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@@ -982,7 +981,7 @@
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 	bioset_exit(&dmz->bio_set);
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-	dmz_put_zoned_device(ti);
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+	dmz_put_zoned_devices(ti);
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 	mutex_destroy(&dmz->chunk_lock);
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