diff options
author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-12-18 22:52:20 +0100 |
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committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-12-18 22:52:20 +0100 |
commit | 1ddf624b0b268fdc0b80b1de618b98f8d117afea (patch) | |
tree | 3d3218332bcb34cb0afa01d6ad996058a3dbcb77 /drivers/usb/core/config.c | |
parent | 6b774eec1f9d3064e9b33634dfa99d5666d0a73a (diff) | |
parent | bfb9e5c03076a446b1f4f6a523ddc8d723c907a6 (diff) |
Merge tag 'v4.14.159' into 4.14-2.0.x-imx
This is the 4.14.159 stable release
Conflicts:
arch/arm/Kconfig.debug
arch/arm/boot/dts/imx7s.dtsi
arch/arm/mach-imx/cpuidle-imx6sx.c
drivers/crypto/caam/caamalg.c
drivers/crypto/mxs-dcp.c
drivers/dma/imx-sdma.c
drivers/input/keyboard/imx_keypad.c
drivers/net/can/flexcan.c
drivers/net/can/rx-offload.c
drivers/net/wireless/ath/ath10k/pci.c
drivers/pci/dwc/pci-imx6.c
drivers/spi/spi-fsl-lpspi.c
drivers/usb/dwc3/gadget.c
Diffstat (limited to 'drivers/usb/core/config.c')
-rw-r--r-- | drivers/usb/core/config.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index f105a5f4927e..cfb8f1126cf8 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -348,6 +348,11 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, /* Validate the wMaxPacketSize field */ maxp = usb_endpoint_maxp(&endpoint->desc); + if (maxp == 0) { + dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has wMaxPacketSize 0, skipping\n", + cfgno, inum, asnum, d->bEndpointAddress); + goto skip_to_next_endpoint_or_interface_descriptor; + } /* Find the highest legal maxpacket size for this endpoint */ i = 0; /* additional transactions per microframe */ @@ -925,7 +930,7 @@ int usb_get_bos_descriptor(struct usb_device *dev) struct usb_bos_descriptor *bos; struct usb_dev_cap_header *cap; struct usb_ssp_cap_descriptor *ssp_cap; - unsigned char *buffer; + unsigned char *buffer, *buffer0; int length, total_len, num, i, ssac; __u8 cap_type; int ret; @@ -970,10 +975,12 @@ int usb_get_bos_descriptor(struct usb_device *dev) ret = -ENOMSG; goto err; } + + buffer0 = buffer; total_len -= length; + buffer += length; for (i = 0; i < num; i++) { - buffer += length; cap = (struct usb_dev_cap_header *)buffer; if (total_len < sizeof(*cap) || total_len < cap->bLength) { @@ -987,8 +994,6 @@ int usb_get_bos_descriptor(struct usb_device *dev) break; } - total_len -= length; - if (cap->bDescriptorType != USB_DT_DEVICE_CAPABILITY) { dev_warn(ddev, "descriptor type invalid, skip\n"); continue; @@ -1023,7 +1028,11 @@ int usb_get_bos_descriptor(struct usb_device *dev) default: break; } + + total_len -= length; + buffer += length; } + dev->bos->desc->wTotalLength = cpu_to_le16(buffer - buffer0); return 0; |