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| author | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:02:26 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:02:26 +0800 |
| commit | d97f745e1d2fea4d2f308e5e06eee81a9a84f3f5 (patch) | |
| tree | 1a24a0ad0c33e1d6344d2454b61748afb74a6693 /drivers/usb/core/config.c | |
| parent | cb370744bc101be91a0bc3e9fbdb670ab44df97d (diff) | |
| parent | d9e0350d2575a20ee7783427da9bd6b6107eb983 (diff) | |
Merge tag 'v4.1.39' into linux-linaro-lsk-v4.1lsk-v4.1-17.03
This is the 4.1.39 stable release
Diffstat (limited to 'drivers/usb/core/config.c')
| -rw-r--r-- | drivers/usb/core/config.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 81336acc7040..70af0804465c 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -178,6 +178,16 @@ 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; |