Commit e346ab34 authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Nicholas Bellinger
Browse files

Target/iser: Bail from accept_np if np_thread is trying to close



In case np_thread state is in RESET/SHUTDOWN/EXIT states,
no point for isert to stall there as we may get a hang in
case no one will wake it up later.
Signed-off-by: default avatarSagi Grimberg <sagig@mellanox.com>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent 1e1110c4
......@@ -3154,9 +3154,14 @@ isert_accept_np(struct iscsi_np *np, struct iscsi_conn *conn)
return -ENODEV;
spin_lock_bh(&np->np_thread_lock);
if (np->np_thread_state == ISCSI_NP_THREAD_RESET) {
if (np->np_thread_state >= ISCSI_NP_THREAD_RESET) {
spin_unlock_bh(&np->np_thread_lock);
pr_debug("ISCSI_NP_THREAD_RESET for isert_accept_np\n");
pr_debug("np_thread_state %d for isert_accept_np\n",
np->np_thread_state);
/**
* No point in stalling here when np_thread
* is in state RESET/SHUTDOWN/EXIT - bail
**/
return -ENODEV;
}
spin_unlock_bh(&np->np_thread_lock);
......
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