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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-11-04 11:32:04 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-11-04 11:32:04 +0100 |
| commit | ca8888d7ae6fa18454c9e4f192c56bc6c8ca9b33 (patch) | |
| tree | c2b86b162f8fc2adf8a98f7e074500bee155d603 /drivers/usb/core/config.c | |
| parent | db616173d787395787ecc93eef075fa975227b10 (diff) | |
| parent | a99d8080aaf358d5d23581244e5da23b35e340b9 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
to pick up the KVM fix which is required for the NX series.
Diffstat (limited to 'drivers/usb/core/config.c')
| -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 151a74a54386..1ac1095bfeac 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 */ |