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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-314bc419c52sm7823000eec.10.2026.07.25.01.55.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Jul 2026 01:55:00 -0700 (PDT) From: Zijun Hu Date: Sat, 25 Jul 2026 01:54:48 -0700 Subject: [PATCH 10/11] Bluetooth: btmrvl_sdio: Do not free HCI_VENDOR_PKT frame by hci_recv_frame() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260725-generic_fix-v1-10-305aec261a19@oss.qualcomm.com> References: <20260725-generic_fix-v1-0-305aec261a19@oss.qualcomm.com> In-Reply-To: <20260725-generic_fix-v1-0-305aec261a19@oss.qualcomm.com> To: Marcel Holtmann , Luiz Augusto von Dentz , Abhishek Pandit-Subedi , Chethan Tumkur Narayan , Manish Mandlik Cc: Zijun Hu , Luiz Augusto von Dentz , linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, Zijun Hu X-Mailer: b4 0.15.2 X-Proofpoint-GUID: 3Dff9bMbxKlPLfz1Wni9jYpF6bfffciJ X-Proofpoint-ORIG-GUID: 3Dff9bMbxKlPLfz1Wni9jYpF6bfffciJ X-Authority-Analysis: v=2.4 cv=GdYnWwXL c=1 sm=1 tr=0 ts=6a6479e6 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=0kn5sLbUNQcYQnAqCM4A:9 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzI1MDA4MyBTYWx0ZWRfXz4cltkLYb0Hw SUkw4fxDbTZD9cVnqRABYmrieMOkMhNXjEAPZj9fQxU0d6AjaQ40lQtRiaa2vbIQGI+K0pB2ZV4 EK+uX8kGqB7BpVArlCrOwhmfqpGjBWg= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzI1MDA4MyBTYWx0ZWRfX5aaSFwfoSa5O 8b/diqkaoViF7RwVqTXYXNAIR3vXYWMRZvaQVo2R92GK6GKokkrq1A61EGqJiHbEDg+LOBq9Suh wHUtbb9fXS21xpIFjhFP5kXtxaeAhyh1lfudOdVZetYN2pD4narsS0j8IXnR9HCC7g/o0poc6vO rAnpqr+Gt2cVpKbAAna3RH7Lf3rBlM0GbL122EmTeNDmwI3ibihbt9zwpFVdlSr+bMRcJnpdxe5 WzogTHSppEuje+1kDQLoatetXfZ0yQCnZ8ZqMTNkxrNmWwVU7UiPGAocDRYTSTe5h7uplz4TrR+ RpF+LkLeHdhpqrQXxuICbvdZO82lz02sIx+xizBHg2wF2WJhueRTDdJFwoySV28qxNufE6l1jYn xO9I4e5ZtZyCNJQpPDydc6j1QQCvTFt/3/8mlXu3LTnJDJIiSn+4VJVvJ6wZrS3eBiU6vq5ucM+ BRFwfwBwKgvwzuwV51A== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-25_02,2026-07-24_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 spamscore=0 malwarescore=0 phishscore=0 clxscore=1015 lowpriorityscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607250083 For a HCI_VENDOR_PKT frame, hci_recv_frame() does not accept it and will kfree_skb() it directly. But btmrvl_sdio_card_to_host() is still calling hci_recv_frame() for the frame. Fix by freeing it with kfree_skb() directly. Signed-off-by: Zijun Hu --- Previous version: https://lore.kernel.org/all/20260722-support_vendor_hci-v2-1-132b506460a4@oss.qualcomm.com Changes since previous version: - Improve commit title and message. --- drivers/bluetooth/btmrvl_sdio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c index 93932a0d8625..b91fc63bc9fe 100644 --- a/drivers/bluetooth/btmrvl_sdio.c +++ b/drivers/bluetooth/btmrvl_sdio.c @@ -794,17 +794,17 @@ static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) break; case MRVL_VENDOR_PKT: hci_skb_pkt_type(skb) = HCI_VENDOR_PKT; skb_put(skb, buf_len); skb_pull(skb, SDIO_HEADER_LEN); if (btmrvl_process_event(priv, skb)) - hci_recv_frame(hdev, skb); + kfree_skb(skb); hdev->stat.byte_rx += buf_len; break; default: BT_ERR("Unknown packet type:%d", type); BT_ERR("hex: %*ph", blksz * num_blocks, payload); -- 2.34.1