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authorDave Airlie <airlied@redhat.com>2021-06-23 10:07:48 +1000
committerDave Airlie <airlied@redhat.com>2021-06-23 10:07:48 +1000
commitf45fbbb6d5cff29ddfc708676ec1c2496eed3a07 (patch)
tree5496fee9f6b10da368aa49b03612061156e42d2f /net/caif/caif_usb.c
parentd472b36efbf8a27dc8a80519db8b5a8caffe42b6 (diff)
parent13311e74253fe64329390df80bed3f07314ddd61 (diff)
Backmerge tag 'v5.13-rc7' into drm-next
Backmerge Linux 5.13-rc7 to make some pulls from later bases apply, and to bake in the conflicts so far.
Diffstat (limited to 'net/caif/caif_usb.c')
-rw-r--r--net/caif/caif_usb.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c
index a0116b9503d9..b02e1292f7f1 100644
--- a/net/caif/caif_usb.c
+++ b/net/caif/caif_usb.c
@@ -115,6 +115,11 @@ static struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN],
return (struct cflayer *) this;
}
+static void cfusbl_release(struct cflayer *layer)
+{
+ kfree(layer);
+}
+
static struct packet_type caif_usb_type __read_mostly = {
.type = cpu_to_be16(ETH_P_802_EX1),
};
@@ -127,6 +132,7 @@ static int cfusbl_device_notify(struct notifier_block *me, unsigned long what,
struct cflayer *layer, *link_support;
struct usbnet *usbnet;
struct usb_device *usbdev;
+ int res;
/* Check whether we have a NCM device, and find its VID/PID. */
if (!(dev->dev.parent && dev->dev.parent->driver &&
@@ -169,8 +175,11 @@ static int cfusbl_device_notify(struct notifier_block *me, unsigned long what,
if (dev->num_tx_queues > 1)
pr_warn("USB device uses more than one tx queue\n");
- caif_enroll_dev(dev, &common, link_support, CFUSB_MAX_HEADLEN,
+ res = caif_enroll_dev(dev, &common, link_support, CFUSB_MAX_HEADLEN,
&layer, &caif_usb_type.func);
+ if (res)
+ goto err;
+
if (!pack_added)
dev_add_pack(&caif_usb_type);
pack_added = true;
@@ -178,6 +187,9 @@ static int cfusbl_device_notify(struct notifier_block *me, unsigned long what,
strlcpy(layer->name, dev->name, sizeof(layer->name));
return 0;
+err:
+ cfusbl_release(link_support);
+ return res;
}
static struct notifier_block caif_device_notifier = {