staging: pi433: fixed signedness of 4th argument to kfifo_from_user

sparse warning:
incorrect type in initializer (different signedness)
expected unsigned int *__copied, got int *<noident>

Signed-off-by: Stefano Manni <stefano.manni@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index 2a205c6..6f9ab37 100644 (file)
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -716,7 +716,8 @@ pi433_write(struct file *filp, const char __user *buf,
 {
        struct pi433_instance   *instance;
        struct pi433_device     *device;
-       int                     copied, retval;
+       int                     retval;
+       unsigned int            copied;
 
        instance = filp->private_data;
        device = instance->device;