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authorJohan Hovold <johan@kernel.org>2026-04-30 10:33:32 +0200
committerFelix Fietkau <nbd@nbd.name>2026-06-09 10:15:20 +0000
commit7f81b0214c4ee4fb39fbc92ca5aa96dfe890d2ea (patch)
tree0f1d1e31f5d39103f4f13e1b559056ceae3c9f8b
parentb350ad117b4266f03e22c68b8057e98035aa059a (diff)
wifi: mt76x0u: drop redundant device reference
Driver core holds a reference to the USB interface and its parent USB device while the interface is bound to a driver and there is no need to take additional references unless the structures are needed after disconnect. Drop the redundant device reference to reduce cargo culting, make it easier to spot drivers where an extra reference is needed, and reduce the risk of memory leaks when drivers fail to release it. Signed-off-by: Johan Hovold <johan@kernel.org> Link: https://patch.msgid.link/20260430083335.215239-3-johan@kernel.org Signed-off-by: Felix Fietkau <nbd@nbd.name>
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x0/usb.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
index 90e5666c0857..2acce121fb14 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
@@ -245,7 +245,6 @@ static int mt76x0u_probe(struct usb_interface *usb_intf,
if (id->driver_info)
dev->no_2ghz = true;
- usb_dev = usb_get_dev(usb_dev);
usb_reset_device(usb_dev);
usb_set_intfdata(usb_intf, dev);
@@ -284,7 +283,6 @@ static int mt76x0u_probe(struct usb_interface *usb_intf,
err:
usb_set_intfdata(usb_intf, NULL);
- usb_put_dev(interface_to_usbdev(usb_intf));
mt76u_queues_deinit(&dev->mt76);
mt76_free_device(&dev->mt76);
@@ -303,7 +301,6 @@ static void mt76x0_disconnect(struct usb_interface *usb_intf)
mt76x0u_cleanup(dev);
usb_set_intfdata(usb_intf, NULL);
- usb_put_dev(interface_to_usbdev(usb_intf));
mt76_free_device(&dev->mt76);
}