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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-04 06:41:09 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-04 06:41:09 +0100 |
| commit | 16c8373ecf7b3c723a8e765d798ea413bc8345a6 (patch) | |
| tree | 19684614078313ac940ce1ad744772dac71b91a6 /drivers/usb/core | |
| parent | Merge 5.4-rc5 into usb-next (diff) | |
| parent | Linux 5.4-rc6 (diff) | |
| download | linux-dev-16c8373ecf7b3c723a8e765d798ea413bc8345a6.tar.xz linux-dev-16c8373ecf7b3c723a8e765d798ea413bc8345a6.zip | |
Merge 5.4-rc6 into usb-next
We need the USB fixes in here to build on top of.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/config.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index ff9f50f7218f..5f40117e68e7 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 */ |