usb: gadget: gadgetfs: fix sparse warnings

this patch fixes following sparse warnings:

g_ffs.c:136:3: warning: symbol 'gfs_configurations' was not declared. Should it be static?
g_ffs.c:281:16: warning: Using plain integer as NULL pointer

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/legacy/g_ffs.c b/drivers/usb/gadget/legacy/g_ffs.c
index 06acfa55864a639a6015689770b4ccb06f01ad40..b01b88e1b716a5902d5276196ef459663545a216 100644 (file)
--- a/drivers/usb/gadget/legacy/g_ffs.c
+++ b/drivers/usb/gadget/legacy/g_ffs.c
@@ -133,7 +133,9 @@ struct gfs_configuration {
        struct usb_configuration c;
        int (*eth)(struct usb_configuration *c);
        int num;
-} gfs_configurations[] = {
+};
+
+static struct gfs_configuration gfs_configurations[] = {
 #ifdef CONFIG_USB_FUNCTIONFS_RNDIS
        {
                .eth            = bind_rndis_config,
@@ -278,7 +280,7 @@ static void *functionfs_acquire_dev(struct ffs_dev *dev)
        if (!try_module_get(THIS_MODULE))
                return ERR_PTR(-ENOENT);
        
-       return 0;
+       return NULL;
 }
 
 static void functionfs_release_dev(struct ffs_dev *dev)