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Message ID 1405409656-45117-1-git-send-email-ingo.tuchscherer@de.ibm.com
State New, archived
Headers show
  • Untitled series #210898
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Commit Message

Ingo Tuchscherer July 15, 2014, 7:34 a.m. UTC
Subject: s390/zcrypt: improve device probing for zcrypt adapter cards
    Improve device probing process for zcrypt adapters to
    transmit service request during registration process.
    Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>

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diff mbox series

diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 69ef4f8..4038437 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -901,10 +901,15 @@  static int ap_device_probe(struct device *dev)
 	int rc;
 	ap_dev->drv = ap_drv;
+	spin_lock_bh(&ap_device_list_lock);
+	list_add(&ap_dev->list, &ap_device_list);
+	spin_unlock_bh(&ap_device_list_lock);
 	rc = ap_drv->probe ? ap_drv->probe(ap_dev) : -ENODEV;
-	if (!rc) {
+	if (rc) {
-		list_add(&ap_dev->list, &ap_device_list);
+		list_del_init(&ap_dev->list);
 	return rc;