2015-02-05 13:12:04

by Lad, Prabhakar

[permalink] [raw]
Subject: [PATCH] usb: gadget: fix sparse warnings

From: "Lad, Prabhakar" <[email protected]>

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 <[email protected]>
---
Found this issue on linux-next (gcc version 4.9.2,
sparse version 0.4.5-rc1)and applies on top linux-next.

drivers/usb/gadget/legacy/g_ffs.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/legacy/g_ffs.c b/drivers/usb/gadget/legacy/g_ffs.c
index 06acfa5..b01b88e 100644
--- 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)
--
1.9.1