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authorAndrzej Pietrasiewicz <andrzej.p@samsung.com>2013-05-28 09:15:59 +0200
committerFelipe Balbi <balbi@ti.com>2013-06-10 17:58:09 +0300
commit76da66d1708d9df4cffa148546853b43249f4d76 (patch)
tree0392993607d9b2f55395485ac8219f0fe10c4898 /drivers/usb/gadget/f_rndis.c
parent9bd4a10e1bf881af0b0a7c117c7092b558447047 (diff)
downloadlinux-76da66d1708d9df4cffa148546853b43249f4d76.tar.gz
usb: gadget: rndis: init & exit rndis at module load/unload
This is required in preparation for using usb_gstrings_attach.

The rndis initialization so far has been performed on the first
occurence of rndis_bind(), but the condition to check it (first
or not first) was "borrowed" from strings handling.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/f_rndis.c')
-rw-r--r--drivers/usb/gadget/f_rndis.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 437198b6d8fa..e5c6aee02fd6 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -698,11 +698,6 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f)
 #endif
 
 	if (rndis_string_defs[0].id == 0) {
-		/* ... and setup RNDIS itself */
-		status = rndis_init();
-		if (status < 0)
-			return status;
-
 		status = usb_string_ids_tab(c->cdev, rndis_string_defs);
 		if (status)
 			return status;
@@ -844,7 +839,6 @@ rndis_old_unbind(struct usb_configuration *c, struct usb_function *f)
 	struct f_rndis		*rndis = func_to_rndis(f);
 
 	rndis_deregister(rndis->config);
-	rndis_exit();
 
 	rndis_string_defs[0].id = 0;
 	usb_free_all_descriptors(f);
@@ -891,11 +885,9 @@ rndis_bind_config_vendor(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
 	rndis->port.func.disable = rndis_disable;
 
 	status = usb_add_function(c, &rndis->port.func);
-	if (status) {
+	if (status)
 		kfree(rndis);
 fail:
-		rndis_exit();
-	}
 	return status;
 }
 
@@ -958,7 +950,6 @@ static void rndis_unbind(struct usb_configuration *c, struct usb_function *f)
 {
 	struct f_rndis		*rndis = func_to_rndis(f);
 
-	rndis_exit();
 	rndis_string_defs[0].id = 0;
 	usb_free_all_descriptors(f);
 
@@ -974,10 +965,8 @@ static struct usb_function *rndis_alloc(struct usb_function_instance *fi)
 
 	/* allocate and initialize one new instance */
 	rndis = kzalloc(sizeof(*rndis), GFP_KERNEL);
-	if (!rndis) {
-		rndis_exit();
+	if (!rndis)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	opts = container_of(fi, struct f_rndis_opts, func_inst);