linux-kernel - [PATCH -mm] drivers/usb/serial/bus.c: Fix incompatible pointer type warning

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Message-ID: <alpine.LFD.0.999.0709030141460.29617@enigma.security.iitk.ac.in>
Date:	Mon, 3 Sep 2007 01:42:43 +0530 (IST)
From:	Satyam Sharma <satyam@...radead.org>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
cc:	Greg Kroah-Hartman <greg@...ah.com>,
	linux-usb-devel@...ts.sourceforge.net
Subject: [PATCH -mm] drivers/usb/serial/bus.c: Fix incompatible pointer type
 warning


drivers/usb/serial/bus.c: In function ‘usb_serial_bus_deregister’:
drivers/usb/serial/bus.c:185:
warning: passing argument 1 of ‘free_dynids’ from incompatible pointer type

Above build warning comes when CONFIG_HOTPLUG=n because argument of
free_dynids() in serial/bus.c is a struct usb_serial_driver, not a
struct usb_driver. This is not a runtime bug, because the function
is an empty stub and never dereferences the passed pointer anyway.

Signed-off-by: Satyam Sharma <satyam@...radead.org>

---

 drivers/usb/serial/bus.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.23-rc4-mm1/drivers/usb/serial/bus.c‾fix	2007-09-02 20:33:18.000000000 +0530
+++ linux-2.6.23-rc4-mm1/drivers/usb/serial/bus.c	2007-09-02 20:39:06.000000000 +0530
@@ -154,7 +154,7 @@ static void free_dynids(struct usb_seria
 static struct driver_attribute drv_attrs[] = {
 	__ATTR_NULL,
 };
-static inline void free_dynids(struct usb_driver *drv)
+static inline void free_dynids(struct usb_serial_driver *drv)
 {
 }
 #endif