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Groups > linux.kernel > #1225975
| From | Robert Baldyga <r.baldyga@samsung.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 02/26] usb: gadget: f_ncm: obtain cdev from function instead of driver_data |
| Date | 2015-09-16 12:30 +0200 |
| Message-ID | <q9i8s-1Fl-43@gated-at.bofh.it> (permalink) |
| References | <q9hYK-1tT-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The 'driver_data' field in ep0 is never set to pointer to cdev, so we
have to obtain it from another source as in this context ep->driver_data
contains invalid data.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
---
drivers/usb/gadget/function/f_ncm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index 3f05c6bd..394cdbf 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -586,7 +586,7 @@ static void ncm_ep0out_complete(struct usb_ep *ep, struct usb_request *req)
unsigned in_size;
struct usb_function *f = req->context;
struct f_ncm *ncm = func_to_ncm(f);
- struct usb_composite_dev *cdev = ep->driver_data;
+ struct usb_composite_dev *cdev = f->config->cdev;
req->context = NULL;
if (req->status || req->actual != req->length) {
--
1.9.1
--
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[PATCH v2 00/26] usb: gadget: encapsulate ep enable/disable Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:20 +0200 [PATCH v2 03/26] usb: gadget: epautoconf: add usb_ep_autoconfig_release() function Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:20 +0200 [PATCH v2 11/26] usb: gadget: f_midi: eliminate abuse of ep->driver data Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:20 +0200 [PATCH v2 10/26] usb: gadget: f_mass_storage: eliminate abuse of ep->driver data Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:20 +0200 [PATCH v2 08/26] usb: gadget: f_hid: eliminate abuse of ep->driver data Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:20 +0200 [PATCH v2 20/26] usb: gadget: f_uac1: eliminate abuse of ep->driver data Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:20 +0200 [PATCH v2 23/26] usb: gadget: u_ether: eliminate abuse of ep->driver data Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:20 +0200 [PATCH v2 12/26] usb: gadget: f_ncm: eliminate abuse of ep->driver data Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:20 +0200 [PATCH v2 16/26] usb: gadget: f_rndis: eliminate abuse of ep->driver data Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:20 +0200 [PATCH v2 18/26] usb: gadget: f_sourcesink: eliminate abuse of ep->driver data Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:20 +0200 [PATCH v2 26/26] usb: gadget: legacy: tcm: eliminate abuse of ep->driver data Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:20 +0200 [PATCH v2 09/26] usb: gadget: f_loopback: eliminate abuse of ep->driver data Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:30 +0200 [PATCH v2 04/26] usb: gadget: introduce 'enabled' flag in struct usb_ep Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:30 +0200 [PATCH v2 02/26] usb: gadget: f_ncm: obtain cdev from function instead of driver_data Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:30 +0200 [PATCH v2 01/26] usb: gadget: fix few outdated comments Robert Baldyga <r.baldyga@samsung.com> - 2015-09-16 12:30 +0200
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