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[83.28.36.128]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-63a5235e674sm16314027a12.2.2025.10.16.09.30.02 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Thu, 16 Oct 2025 09:30:02 -0700 (PDT) Date: Thu, 16 Oct 2025 18:29:56 +0200 From: Michal Pecio To: Mathias Nyman , Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] usb: xhci: Type check xhci_dbg_trace() Message-ID: <20251016182956.0990936d.michal.pecio@gmail.com> In-Reply-To: <20251016182813.3d10a8a3.michal.pecio@gmail.com> References: <20251016182813.3d10a8a3.michal.pecio@gmail.com> 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=US-ASCII Content-Transfer-Encoding: 7bit xhci_dbg_trace() is a printf-like function which can be type checked at build time. Do it to catch potential format bugs in the driver. I found no remaining warnings on x86-64 and ARM. Signed-off-by: Michal Pecio --- drivers/usb/host/xhci.h | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 485ea7fc0433..8facba10fc9c 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1788,6 +1788,7 @@ static inline bool xhci_link_chain_quirk(struct xhci_hcd *xhci, enum xhci_ring_t /* xHCI debugging */ char *xhci_get_slot_state(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx); +__printf(3, 4) void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *), const char *fmt, ...); -- 2.48.1