[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 <[email protected]>

---

 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

---

• References:
  • [-mm patchset] War on warnings
    • From: Satyam Sharma <[email protected]>

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