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Thu, 30 Apr 2026 16:22:24 -0700 (PDT) Received: from ryzen ([2601:644:8000:5b5d:7285:c2ff:fe45:8a32]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-364ebec737fsm536967a91.4.2026.04.30.16.22.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Apr 2026 16:22:23 -0700 (PDT) From: Rosen Penev To: linux-wireless@vger.kernel.org Cc: Stanislaw Gruszka , linux-kernel@vger.kernel.org (open list) Subject: [PATCH wireless-next] wifi: rt2x00: allocate anchor with rt2x00dev Date: Thu, 30 Apr 2026 16:22:06 -0700 Message-ID: <20260430232206.141461-1-rosenp@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Instead of being creative with devm, allocate with rt2x00dev by using a flexible array member. Simplifies code slightly. It's worth noting that in 25369b22223d1c56e42a0cd4ac9137349d5a898e , the proper device was set to the devm call as it seems there was confusion there. Signed-off-by: Rosen Penev Acked-by: Stanislaw Gruszka --- drivers/net/wireless/ralink/rt2x00/rt2x00.h | 3 ++- drivers/net/wireless/ralink/rt2x00/rt2x00usb.c | 11 +---------- 2 files changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wire= less/ralink/rt2x00/rt2x00.h index 665887e9b118..7d313e86d3f2 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h @@ -1009,11 +1009,12 @@ struct rt2x00_dev { /* Extra TX headroom required for alignment purposes. */ unsigned int extra_tx_headroom; - struct usb_anchor *anchor; unsigned int num_proto_errs; /* Clock for System On Chip devices. */ struct clk *clk; + + struct usb_anchor anchor[]; }; struct rt2x00_bar_list_entry { diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c b/drivers/net/w= ireless/ralink/rt2x00/rt2x00usb.c index 174d89b0b1d7..47e427ea8622 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c @@ -804,7 +804,7 @@ int rt2x00usb_probe(struct usb_interface *usb_intf, usb_reset_device(usb_dev); - hw =3D ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw); + hw =3D ieee80211_alloc_hw(struct_size(rt2x00dev, anchor, 1), ops->hw); if (!hw) { rt2x00_probe_err("Failed to allocate hardware\n"); return -ENOMEM; @@ -826,13 +826,6 @@ int rt2x00usb_probe(struct usb_interface *usb_intf, if (retval) goto exit_free_device; - rt2x00dev->anchor =3D devm_kmalloc(&usb_intf->dev, - sizeof(struct usb_anchor), - GFP_KERNEL); - if (!rt2x00dev->anchor) { - retval =3D -ENOMEM; - goto exit_free_reg; - } init_usb_anchor(rt2x00dev->anchor); retval =3D rt2x00lib_probe_dev(rt2x00dev); @@ -843,8 +836,6 @@ int rt2x00usb_probe(struct usb_interface *usb_intf, exit_free_anchor: usb_kill_anchored_urbs(rt2x00dev->anchor); - -exit_free_reg: rt2x00usb_free_reg(rt2x00dev); exit_free_device: -- 2.54.0