Commit 268ffcc4 authored by Ursula Braun's avatar Ursula Braun Committed by David S. Miller
Browse files

net/smc: free link group without pending free_work only



Make sure there is no pending or running free_work worker for the link
group when freeing the link group.

Signed-off-by: default avatarUrsula Braun <ubraun@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c9f4c6cf
......@@ -1477,6 +1477,7 @@ static void __exit smc_exit(void)
spin_unlock_bh(&smc_lgr_list.lock);
list_for_each_entry_safe(lgr, lg, &lgr_freeing_list, list) {
list_del_init(&lgr->list);
cancel_delayed_work_sync(&lgr->free_work);
smc_lgr_free(lgr); /* free link group */
}
static_branch_disable(&tcp_have_smc);
......
......@@ -140,7 +140,8 @@ static void smc_lgr_free_work(struct work_struct *work)
list_del_init(&lgr->list); /* remove from smc_lgr_list */
free:
spin_unlock_bh(&smc_lgr_list.lock);
smc_lgr_free(lgr);
if (!delayed_work_pending(&lgr->free_work))
smc_lgr_free(lgr);
}
/* create a new SMC link group */
......
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