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| author | Takashi Iwai <tiwai@suse.de> | 2015-05-18 08:23:37 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-05-18 08:23:37 +0200 |
| commit | 5a6cc82171dba297ceab49cda47f2bf5616f87b3 (patch) | |
| tree | 1e12036476a4faf4b404a0a4e070d148efafc221 /drivers/usb/class/cdc-acm.c | |
| parent | 09ea997677cd44ebe7f42573119aaf46b775c683 (diff) | |
| parent | 7730c0b55043f6ff1c27e9cb45e13679995b2361 (diff) | |
Merge tag 'asoc-fix-v4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.1
A few more fixes for v4.1, some driver fixes plus one core fix which
fixes registration of DAI links when adding prefixes to CODECs to
deuplicate in multi-CODEC systems.
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 3e15add665e2..5c8f58114677 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1142,11 +1142,16 @@ static int acm_probe(struct usb_interface *intf, } while (buflen > 0) { + elength = buffer[0]; + if (!elength) { + dev_err(&intf->dev, "skipping garbage byte\n"); + elength = 1; + goto next_desc; + } if (buffer[1] != USB_DT_CS_INTERFACE) { dev_err(&intf->dev, "skipping garbage\n"); goto next_desc; } - elength = buffer[0]; switch (buffer[2]) { case USB_CDC_UNION_TYPE: /* we've found it */ |