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Drivers: hv: vmbus: Release cpu lock in error case
In case of invalid sub channel, release cpu lock before returning.
Fixes: a949e86c0d
("Drivers: hv: vmbus: Resolve race between init_vp_index() and CPU hotplug")
Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/1654794996-13244-1-git-send-email-ssengar@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
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@ -639,6 +639,7 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel)
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*/
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if (newchannel->offermsg.offer.sub_channel_index == 0) {
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mutex_unlock(&vmbus_connection.channel_mutex);
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cpus_read_unlock();
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/*
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* Don't call free_channel(), because newchannel->kobj
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* is not initialized yet.
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