diff options
Diffstat (limited to 'drivers/usb/gadget/f_phonet.c')
| -rw-r--r-- | drivers/usb/gadget/f_phonet.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c index 5e1495097ec..8f8d3f6cd89 100644 --- a/drivers/usb/gadget/f_phonet.c +++ b/drivers/usb/gadget/f_phonet.c @@ -20,6 +20,7 @@ * 02110-1301 USA */ +#include <linux/mm.h> #include <linux/slab.h> #include <linux/kernel.h> #include <linux/device.h> @@ -427,17 +428,16 @@ static int pn_set_alt(struct usb_function *f, unsigned intf, unsigned alt) spin_lock(&port->lock); __pn_reset(f); if (alt == 1) { - struct usb_endpoint_descriptor *out, *in; int i; - out = ep_choose(gadget, - &pn_hs_sink_desc, - &pn_fs_sink_desc); - in = ep_choose(gadget, - &pn_hs_source_desc, - &pn_fs_source_desc); - usb_ep_enable(fp->out_ep, out); - usb_ep_enable(fp->in_ep, in); + if (config_ep_by_speed(gadget, f, fp->in_ep) || + config_ep_by_speed(gadget, f, fp->out_ep)) { + fp->in_ep->desc = NULL; + fp->out_ep->desc = NULL; + return -EINVAL; + } + usb_ep_enable(fp->out_ep); + usb_ep_enable(fp->in_ep); port->usb = fp; fp->out_ep->driver_data = fp; |