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Wed, 23 Sep 2026 16:48:25 -0700 (PDT) Received: from i4-gl-tmk5904.ad.psu.edu ([130.203.156.186]) by smtp.gmail.com with ESMTPSA id af79cd13be357-93c248a1481sm334514885a.35.2026.09.23.16.48.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Sep 2026 16:48:24 -0700 (PDT) From: Yuho Choi To: Tony Nguyen , Przemek Kitszel Cc: Alexander Lobakin , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Yuho Choi Subject: [PATCH net v1] idpf: Fix vport IRQ name leak on request failure Date: Wed, 23 Sep 2026 19:48:06 -0400 Message-ID: <20260923234819.702327-1-oss.patchbox@gmail.com> X-Mailer: git-send-email 2.43.0 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" idpf_vport_intr_req_irq() allocates a name for each vector IRQ before calling request_irq(). On success, the name is released later through kfree(free_irq()), but when request_irq() fails, the error path only unwinds the previous vectors and the name for the failed one is leaked. Free the allocated name on the request_irq() failure path, as done for the mailbox IRQ in commit 9bff30482c10 ("idpf: Fix mailbox IRQ name leak on request failure"). Fixes: bf9bf7042a38 ("idpf: avoid bloating &idpf_q_vector with big %NR_CPUS= ") Signed-off-by: Yuho Choi --- Compile-tested only (x86_64 defconfig + CONFIG_IDPF=3Dm, W=3D1). drivers/net/ethernet/intel/idpf/idpf_txrx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.c b/drivers/net/ethe= rnet/intel/idpf/idpf_txrx.c index 4311ffa30bb1..e7d5e7923371 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c +++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c @@ -4073,6 +4073,7 @@ static int idpf_vport_intr_req_irq(struct idpf_vport = *vport, if (err) { netdev_err(vport->netdev, "Request_irq failed, error: %d\n", err); + kfree(name); goto free_q_irqs; } =20 base-commit: f0100363d8c374bd8e9ea7c9ba02744f0b802ca4 --=20 2.43.0