dm mirror: add DMERR message if alloc_workqueue fails
Signed-off-by: Yangtao Li <frank.li@vivo.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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@ -1501,8 +1501,10 @@ static int __init dm_mirror_init(void)
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int r;
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dm_raid1_wq = alloc_workqueue("dm_raid1_wq", 0, 0);
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if (!dm_raid1_wq)
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if (!dm_raid1_wq) {
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DMERR("Failed to alloc workqueue");
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return -ENOMEM;
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}
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r = dm_register_target(&mirror_target);
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if (r < 0) {
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