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Wed, 16 Dec 2020 18:18:31 +0000 (UTC) From: mwilck@suse.com To: Christophe Varoqui , Benjamin Marzinski Date: Wed, 16 Dec 2020 19:16:51 +0100 Message-Id: <20201216181708.22224-13-mwilck@suse.com> In-Reply-To: <20201216181708.22224-1-mwilck@suse.com> References: <20201216181708.22224-1-mwilck@suse.com> MIME-Version: 1.0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 0BGIIcr5018044 X-loop: dm-devel@redhat.com Cc: lixiaokeng@huawei.com, dm-devel@redhat.com, Martin Wilck Subject: [dm-devel] [PATCH v3 12/29] multipathd: unwatch_all_dmevents: check if waiter is initialized X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Martin Wilck Reviewed-by: Benjamin Marzinski Signed-off-by: Martin Wilck --- multipathd/dmevents.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/multipathd/dmevents.c b/multipathd/dmevents.c index b561cbf..f52f597 100644 --- a/multipathd/dmevents.c +++ b/multipathd/dmevents.c @@ -257,6 +257,8 @@ void unwatch_all_dmevents(void) struct dev_event *dev_evt; int i; + if (!waiter) + return; pthread_mutex_lock(&waiter->events_lock); vector_foreach_slot(waiter->events, dev_evt, i) free(dev_evt); -- 2.29.0 -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel