diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-05 08:07:58 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-05 08:07:58 +0200 |
commit | 9b0dd49e3565ddc71346ba7d57079ee6233d0780 (patch) | |
tree | 1da29301348a4586351ead3443513816fcc19819 /drivers/usb/gadget | |
parent | 3112fdde68fa4a3b0b3a3a738f9f32b4d62fdf05 (diff) | |
parent | c6935931c1894ff857616ff8549b61236a19148f (diff) | |
download | linux-9b0dd49e3565ddc71346ba7d57079ee6233d0780.tar.bz2 |
Merge 4.8-rc5 into usb-testing
We want the USB fixes in here for testing and merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r-- | drivers/usb/gadget/function/f_eem.c | 10 | ||||
-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 |
5 files changed, 19 insertions, 10 deletions
diff --git a/drivers/usb/gadget/function/f_eem.c b/drivers/usb/gadget/function/f_eem.c index d58bfc32be9e..8741fd740174 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; + int headroom, tailroom, padlen = 0; u16 len = skb->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 c8005823b190..16562e461121 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 6ded6345cd09..e0cd1e4c8892 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 934f83881c30..40c04bb25f2f 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 9d6b2c8eed42..4fff51b8a18e 100644 --- a/drivers/usb/gadget/udc/fsl_qe_udc.c +++ b/drivers/usb/gadget/udc/fsl_qe_udc.c @@ -1872,11 +1872,8 @@ 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, |