usb: gadget: update some out of date comments

These functions used to return negative errror codes but now they return
ERR_PTRs.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 2aae0d6..b7d4f82 100644 (file)
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -753,7 +753,7 @@ static struct device_type gadget_type = {
  * gadget driver using this framework.  The link layer addresses are
  * set up using module parameters.
  *
- * Returns negative errno, or zero on success
+ * Returns an eth_dev pointer on success, or an ERR_PTR on failure.
  */
 struct eth_dev *gether_setup_name(struct usb_gadget *g,
                const char *dev_addr, const char *host_addr,

diff --git a/drivers/usb/gadget/u_ether.h b/drivers/usb/gadget/u_ether.h
index fb23d1f..a32b41e 100644 (file)
--- a/drivers/usb/gadget/u_ether.h
+++ b/drivers/usb/gadget/u_ether.h
@@ -106,7 +106,7 @@ struct eth_dev *gether_setup_name(struct usb_gadget *g,
  * gadget driver using this framework.  The link layer addresses are
  * set up using module parameters.
  *
- * Returns negative errno, or zero on success
+ * Returns a eth_dev pointer on success, or an ERR_PTR on failure
  */
 static inline struct eth_dev *gether_setup(struct usb_gadget *g,
                const char *dev_addr, const char *host_addr,