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authorJulian Wiedmann <jwi@linux.vnet.ibm.com>2018-03-20 07:59:13 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-31 18:11:35 +0200
commit9ff2636b3bbfcf4606d050fbbfa2f792ab566b93 (patch)
tree517daa8f381c1f98a6a7ea89f420e4297b6fcbf7
parent4593b4c08262434e8f662f12c171a9b8c85dcec4 (diff)
s390/qeth: when thread completes, wake up all waiters
[ Upstream commit 1063e432bb45be209427ed3f1ca3908e4aa3c7d7 ] qeth_wait_for_threads() is potentially called by multiple users, make sure to notify all of them after qeth_clear_thread_running_bit() adjusted the thread_running_mask. With no timeout, callers would otherwise stall. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/s390/net/qeth_core_main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 3e7d54c1437a..8b1763bf1840 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -957,7 +957,7 @@ void qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
spin_lock_irqsave(&card->thread_mask_lock, flags);
card->thread_running_mask &= ~thread;
spin_unlock_irqrestore(&card->thread_mask_lock, flags);
- wake_up(&card->wait_q);
+ wake_up_all(&card->wait_q);
}
EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit);