[PATCH 18/30] usb: host: xhci-debugfs: Use 'gnu_printf' format notation

From: Lee Jones <lee.jones@linaro.org>
To: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Lee Jones <lee.jones@linaro.org>,
	Mathias Nyman <mathias.nyman@intel.com>,
	Lu Baolu <baolu.lu@linux.intel.com>
Subject: [PATCH 18/30] usb: host: xhci-debugfs: Use 'gnu_printf' format notation
Date: Fri,  3 Jul 2020 18:41:36 +0100	[thread overview]
Message-ID: <20200703174148.2749969-19-lee.jones@linaro.org> (raw)
In-Reply-To: <20200703174148.2749969-1-lee.jones@linaro.org>

Fixes the following W=1 kernel build warning(s):

 drivers/usb/host/xhci-debugfs.c:128:2: warning: function ‘xhci_debugfs_regset’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
 128 | vsnprintf(rgs->name, sizeof(rgs->name), fmt, args);
 | ^~~~~~~~~

Cc: Mathias Nyman <mathias.nyman@intel.com>
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/usb/host/xhci-debugfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c
index 76c3f29562d2b..92e25a62fdb5b 100644
--- a/drivers/usb/host/xhci-debugfs.c
+++ b/drivers/usb/host/xhci-debugfs.c
@@ -110,6 +110,7 @@ static void xhci_debugfs_free_regset(struct xhci_regset *regset)
 	kfree(regset);
 }
 
+__printf(6, 7)
 static void xhci_debugfs_regset(struct xhci_hcd *xhci, u32 base,
 				const struct debugfs_reg32 *regs,
 				size_t nregs, struct dentry *parent,
-- 
2.25.1

