[PATCH 1/2] usb: composite: Fix bug: should test set_alt function pointer before use it

[Bryan Wu]

Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
---
 drivers/usb/gadget/composite.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index f2da026..363951e 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -772,7 +772,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 		f = cdev->config->interface[w_index];
 		if (!f)
 			break;
-		if (w_value && !f->get_alt)
+		if (w_value && !f->set_alt)
 			break;
 		value = f->set_alt(f, w_index, w_value);
 		break;
-- 
1.5.6

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/