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xen/scsiback: correct frontend counting
When adding a new frontend to xen-scsiback don't decrement the number of active frontends in case of no error. Doing so results in a failure when trying to remove the xen-pvscsi nexus even if no domain is using it. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: stable@vger.kernel.org Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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1 changed files with 5 additions and 5 deletions
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@ -939,12 +939,12 @@ static int scsiback_add_translation_entry(struct vscsibk_info *info,
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spin_unlock_irqrestore(&info->v2p_lock, flags);
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spin_unlock_irqrestore(&info->v2p_lock, flags);
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out_free:
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out_free:
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mutex_lock(&tpg->tv_tpg_mutex);
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if (err) {
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tpg->tv_tpg_fe_count--;
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mutex_lock(&tpg->tv_tpg_mutex);
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mutex_unlock(&tpg->tv_tpg_mutex);
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tpg->tv_tpg_fe_count--;
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mutex_unlock(&tpg->tv_tpg_mutex);
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if (err)
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kfree(new);
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kfree(new);
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}
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return err;
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return err;
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}
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}
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