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authorLinus Walleij <linus.walleij@linaro.org>2017-01-30 14:39:20 +0100
committerLinus Walleij <linus.walleij@linaro.org>2017-01-30 14:39:20 +0100
commit7f36f5d11cda050b118f76d774151427a18d15ef (patch)
tree9d4fa3b830785b767525a5e6a065fe4297cd8112 /drivers/usb/core/config.c
parent2b24efa8e5c5042b0f126c09622b3e9e3c86a4fa (diff)
parent566cf877a1fcb6d6dc0126b076aad062054c2637 (diff)
Merge tag 'v4.10-rc6' into devel
Linux 4.10-rc6 Resolved conflicts in: drivers/pinctrl/pinctrl-amd.c drivers/pinctrl/samsung/pinctrl-exynos.c
Diffstat (limited to 'drivers/usb/core/config.c')
-rw-r--r--drivers/usb/core/config.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 0aa9e7d697a5..25dbd8c7aec7 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -239,6 +239,16 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
if (ifp->desc.bNumEndpoints >= num_ep)
goto skip_to_next_endpoint_or_interface_descriptor;
+ /* Check for duplicate endpoint addresses */
+ for (i = 0; i < ifp->desc.bNumEndpoints; ++i) {
+ if (ifp->endpoint[i].desc.bEndpointAddress ==
+ d->bEndpointAddress) {
+ dev_warn(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n",
+ cfgno, inum, asnum, d->bEndpointAddress);
+ goto skip_to_next_endpoint_or_interface_descriptor;
+ }
+ }
+
endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints];
++ifp->desc.bNumEndpoints;