diff options
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/function/f_eem.c | 12 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/f_rndis.c | 3 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/u_serial.c | 7 | ||||
| -rw-r--r-- | drivers/usb/gadget/udc/core.c | 2 | ||||
| -rw-r--r-- | drivers/usb/gadget/udc/fsl_qe_udc.c | 7 | ||||
| -rw-r--r-- | drivers/usb/gadget/udc/renesas_usb3.c | 2 |
6 files changed, 22 insertions, 11 deletions
diff --git a/drivers/usb/gadget/function/f_eem.c b/drivers/usb/gadget/function/f_eem.c index d58bfc3..007ec6e 100644 --- a/drivers/usb/gadget/function/f_eem.c +++ b/drivers/usb/gadget/function/f_eem.c @@ -341,11 +341,15 @@ static struct sk_buff *eem_wrap(struct gether *port, struct sk_buff *skb) { struct sk_buff *skb2 = NULL; struct usb_ep *in = port->in_ep; - int padlen = 0; - u16 len = skb->len; + int headroom, tailroom, padlen = 0; + u16 len; - int headroom = skb_headroom(skb); - int tailroom = skb_tailroom(skb); + if (!skb) + return NULL; + + len = skb->len; + headroom = skb_headroom(skb); + tailroom = skb_tailroom(skb); /* When (len + EEM_HLEN + ETH_FCS_LEN) % in->maxpacket) is 0, * stick two bytes of zero-length EEM packet on the end. diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index c800582..16562e4 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -374,6 +374,9 @@ static struct sk_buff *rndis_add_header(struct gether *port, { struct sk_buff *skb2; + if (!skb) + return NULL; + skb2 = skb_realloc_headroom(skb, sizeof(struct rndis_packet_msg_type)); rndis_add_hdr(skb2); diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index 6ded634..e0cd1e4 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -375,10 +375,15 @@ __acquires(&port->port_lock) */ { struct list_head *pool = &port->write_pool; - struct usb_ep *in = port->port_usb->in; + struct usb_ep *in; int status = 0; bool do_tty_wake = false; + if (!port->port_usb) + return status; + + in = port->port_usb->in; + while (!port->write_busy && !list_empty(pool)) { struct usb_request *req; int len; diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 934f838..40c04bb 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -827,7 +827,7 @@ void usb_gadget_unmap_request_by_dev(struct device *dev, return; if (req->num_mapped_sgs) { - dma_unmap_sg(dev, req->sg, req->num_mapped_sgs, + dma_unmap_sg(dev, req->sg, req->num_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->num_mapped_sgs = 0; diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c index cf8819a..8bb011e 100644 --- a/drivers/usb/gadget/udc/fsl_qe_udc.c +++ b/drivers/usb/gadget/udc/fsl_qe_udc.c @@ -1878,11 +1878,8 @@ static int qe_get_frame(struct usb_gadget *gadget) tmp = in_be16(&udc->usb_param->frame_n); if (tmp & 0x8000) - tmp = tmp & 0x07ff; - else - tmp = -EINVAL; - - return (int)tmp; + return tmp & 0x07ff; + return -EINVAL; } static int fsl_qe_start(struct usb_gadget *gadget, diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 93a3bec..fb8fc34 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -106,6 +106,7 @@ /* DRD_CON */ #define DRD_CON_PERI_CON BIT(24) +#define DRD_CON_VBOUT BIT(0) /* USB_INT_ENA_1 and USB_INT_STA_1 */ #define USB_INT_1_B3_PLLWKUP BIT(31) @@ -363,6 +364,7 @@ static void usb3_init_epc_registers(struct renesas_usb3 *usb3) { /* FIXME: How to change host / peripheral mode as well? */ usb3_set_bit(usb3, DRD_CON_PERI_CON, USB3_DRD_CON); + usb3_clear_bit(usb3, DRD_CON_VBOUT, USB3_DRD_CON); usb3_write(usb3, ~0, USB3_USB_INT_STA_1); usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG); |
