From: Ping-Ke Shih <pkshih@realtek.com>
To: Alastair D'Silva <alastair@d-silva.org>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
Kalle Valo <kvalo@kernel.org>
Cc: Luka Gejak <luka.gejak@linux.dev>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Ulf Hansson <ulfh@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: RE: [PATCH rtw-next v4 1/4] wifi: rtw88: sdio: Handle allocation and read errors in rtw_sdio_rxfifo_recv
Date: Tue, 6 Oct 2026 01:35:53 +0000 [thread overview]
Message-ID: <e376378c5c534ba995b6890f5bd3abfb@realtek.com> (raw)
In-Reply-To: <20261005084849.3109337-2-alastair@d-silva.org>
Alastair D'Silva <alastair@d-silva.org> wrote:
> When dev_alloc_skb() or rtw_sdio_read_port() fails, rtw_sdio_rxfifo_recv()
> returns without reading data. Because it returned void, the caller still
> counted rx_len against the loop budget while leaving data stranded in the
> FIFO.
>
> Return an error code from rtw_sdio_rxfifo_recv() on failure and break out
> of the receive loop in the caller immediately.
>
> Fixes: 65371a3f14e7 ("wifi: rtw88: sdio: Add HCI implementation for SDIO based chipsets")
> Cc: stable@vger.kernel.org
> Assisted-by: LLM
> Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
next prev parent reply other threads:[~2026-10-06 1:36 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-05 8:48 [PATCH rtw-next v4 0/4] wifi: rtw88: sdio: Fix unhandled RX request interrupt storm Alastair D'Silva
2026-10-05 8:48 ` [PATCH rtw-next v4 1/4] wifi: rtw88: sdio: Handle allocation and read errors in rtw_sdio_rxfifo_recv Alastair D'Silva
2026-10-06 1:35 ` Ping-Ke Shih [this message]
2026-10-05 8:48 ` [PATCH rtw-next v4 2/4] wifi: rtw88: sdio: Track running state and cancel TX worker on stop Alastair D'Silva
2026-10-06 2:03 ` Ping-Ke Shih
2026-10-06 4:44 ` Luka Gejak
2026-10-06 14:03 ` Luka Gejak
2026-10-06 14:18 ` Luka Gejak
2026-10-07 1:26 ` Ping-Ke Shih
2026-10-07 4:37 ` Luka Gejak
2026-10-07 5:21 ` Luka Gejak
2026-10-07 6:18 ` Luka Gejak
2026-10-05 8:48 ` [PATCH rtw-next v4 3/4] wifi: rtw88: sdio: Fix unhandled RX request interrupt storm Alastair D'Silva
2026-10-06 2:05 ` Ping-Ke Shih
2026-10-05 8:48 ` [PATCH rtw-next v4 4/4] wifi: rtw88: sdio: Split rtw_sdio_rx_isr into 8051 and 3081 variants Alastair D'Silva
2026-10-06 2:08 ` Ping-Ke Shih
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