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([2001:250:5800:1002::de93]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cc75f3b82aasm2569713a12.9.2026.09.24.04.21.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Sep 2026 04:22:06 -0700 (PDT) From: Guangshuo Li To: gregkh@linuxfoundation.org, mathias.nyman@intel.com, thierry.reding@kernel.org, jonathanh@nvidia.com Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, rosenp@gmail.com, kees@kernel.org, lgs201920130244@gmail.com, avorontsov@ru.mvista.com, linux-tegra@vger.kernel.org, jckuo@nvidia.com, eeodqql09@gmail.com, stern@rowland.harvard.edu, davidm@egauge.net Subject: [PATCH 0/3] usb: host: balance resource lifetimes in host drivers Date: Thu, 24 Sep 2026 19:21:53 +0800 Message-ID: <20260924112156.1564208-1-lgs201920130244@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Several USB host drivers leave resources or references acquired in probe unbalanced after the successful path. Add the missing IRQ/MMIO, device-node, and buffer releases at the corresponding lifetime endpoints, using existing probe cleanup as the reference. Guangshuo Li (3): usb: fhci: release IRQ and MMIO mappings on remove usb: xhci: tegra: release padctl node reference after probe usb: max3421: Free transfer buffers on remove drivers/usb/host/fhci-hcd.c | 2 ++ drivers/usb/host/max3421-hcd.c | 2 ++ drivers/usb/host/xhci-tegra.c | 1 + 3 files changed, 5 insertions(+) base-commit: f03c39de3a1307371a4032757cd1732e91087c7d -- 2.43.0